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The additional impact of emission-reduction measures in North China (NC) during autumn and winter on the air quality of downwind regions is an interesting but less addressed topic. The mass concentrations of routine air pollutants, the chemical compositions, and sources of fine particles (PM2.5) for January 2018, 2019, and 2020 at a megacity of Central China were identified, and meteorology-isolated by a machine-learning technique. Their variations were classified according to air mass direction. An unexpectedly sharp increase in emission-related PM2.5 by 22.7% (18.0 mug m-3) and 25.7% (19.4 mug m-3) for air masses from local and NC in 2019 was observed compared to those of 2018. Organic materials exhibited the highest increase in PM2.5 compositions by 6.90 mug m-3 and 6.23 mug m-3 for the air masses from local and NC. PM2.5 source contributions related to emission showed an upsurge from 1.39 mug m-3 (biomass burning) to 24.9 mug m-3 (secondary inorganic aerosol) in 2019 except for industrial processes, while all reduced in 2020. From 2018 to 2020, the emission-related contribution of coal combustion to PM2.5 increased from 10.0% to 19.0% for air masses from the local area. To support the priority natural gas quotas in northern China, additional coal in cities of southern China was consumed, raising related emissions from transportation activities and road dust in urban regions, as well as additional biofuel consumption in suburban or rural regions. All these activities could explain the increased primary PM2.5 and related precursor NO2. This study gave substantial evidence of air pollution control measures impacting the downwind regions and promote the necessity of air pollution joint control across the administration.Copyright © 2023 Elsevier Ltd
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Global suffering from COVID-19 has necessitated augmenting the immunity systems of humans through consumption of macro-micro-nutrients and antioxidant-enriched fortified foods. In this article, fortifications of popular bakery products, viz. biscuits, cookies, have been reviewed, encompassing the novel fortifying ingredients and innovative methods employed with an emphasis on the overall enrichment in the final product quality. A few notable features concerning novel fortified biscuit and fortified cookie have been decisively summarized. Wheat flour blended with 40% sesame-cake flour resulted in a fortified biscuit possessing higher protein (16.6%), crude fat (16.95%), and dietary fiber (8.2%) with acceptable sensory characteristics. About 9% toting up of chicken-eggshell dried-powder could result in high Ca content in biscuits with customary changes in texture and sensory properties. A remarkable 5% addition of bee pollen to wheat flour appreciably improved the nutrient compositions (carbohydrate 65.18%, protein 7.32%, and total dietary-fiber 1.47%) along with high polyphenol and antioxidant potentials. Notably, mixing fish fillet protein concentrate with wheat flour could yield enhanced nutritional content (protein 14.63-19.52%, fat 16.2-16.5%), as well as augmented amino acids. Remarkably, wheat flour fortified with fermented jack bean flour resulted in an overall fortified biscuit with substantial carbohydrate, crude protein, fat, fiber, ash, and appreciable macro-micro mineral contents and sensory characteristics. Innovative fortified cookies were made by blending wheat flour or Brewer's spent grain flour with one or more ingredients, e.g. full fat soya, mushroom, cardamom powder, moringa leaves, coconut, sweet potato flour rendering amplified values of nutrients, superior physical properties, increased mineral and flavonoid contents and organoleptic qualities.Copyright © 2023 Bentham Science Publishers.
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Background: Total parenteral nutrition (TPN) is a life-saving therapy for patients with chronic intestinal failure. TPN typically consists of macronutrients (amino acids, dextrose, and lipids) as well as micronutrients (multi-vitamins [MVI] and trace elements) to meet fluid, calorie, and micronutrient needs. With the early years of PN administration, multiple deficiencies were noted leading to guidelines regarding need for daily use of essential trace element and MVI preparation for parenteral use. Unfortunately, during the last few years we have seen multiple shortages of PN related supplies including the most recent shortage of parenteral MVI preparation. Major organizations such as ASPEN have developed recommendations regarding management of shortages, however their clinical impact has not been fully evaluated. The current study evaluated the impact of MVI shortage on change in clinical practice and the prevalence of deficiency. Method(s): A retrospective review of electronic medical records for patients who received TPN during time of shortage in IV multivitamins supply due to COVID-19 crisis between January 2021 and June 2021. In our program, the shortage affected one TPN supplier. We included patients who received their TPN from affected supplier and who were tested for micronutrients including Vitamins A, B12, C, and D in the 6 months preceding the shortage in supply (period 1) as well as during the shortage period (period 2). Period 1 was defined as from July 1, 2020, to December 31, 2020, and period 2 was defined as from January 1, 2021, to June 30, 2021. In addition to baseline clinical characteristics, we captured changes in studied micronutrients. Result(s): Current retrospective analysis of a prospectively maintained database noted 21 patients (mean age of 63.3 +/- 13.8, 62% female) were impacted by MVI shortage during study period (Table 1). Most common primary diagnosis was Crohn's disease (33.3%) followed by enterocutaneous fistula (19%), and gastrointestinal dysmotility (14.3%). In 19/21 (90%) patients, MVI was administered 3 days per week in PN. In the remaining two patients who had short bowel,MVI was continued 7 days per week. Additionally, 19/21 (90%) patients also were supplemented orally with Vitamin D (17/21), Vitamin B12 (5/21), MVI (3/21), Vitamin C (1/21). There was a decline in average Vitamin C levels between the two study periods (Table 2) with a trend towards a decline in average 25-hydroxy vitamin D levels, while mean vitamin A and B12 levels did not change significantly. There was a significant increase in Vitamin D and C deficiencies, while no increase in deficiencies in Vitamin E, A, and B12 levels was noted (Figure 1). Conclusion(s): Unfortunately, shortages of key PN related supplies have become commonplace in the last few years. The most recent shortage affected MVI supplies. Our group managed the shortage through a combination of reduction of parenteral MVI administration to 3 days per week along with additional supplementation of specific micronutrients orally. Although with this strategy, there was an increase in Vitamin D and C levels falling below reference range, no significant deficiencies were noted. (Table Presented).
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The COVID-19 pandemic has set tasks for health professionals, in particular, related to the rapid diagnosis of the disease and the provision of medical care to patients with a new coronavirus infection. All over the world, scientific work is being carried out on the study of the clinical and epidemiological characteristics of the dis-ease, the development of new means of its prevention and treatment. Epidemiological studies have identified a number of physiological and other factors that increase the risk of developing severe forms of the disease. Among them: old age, as well as concomitant diseases, including diabetes mellitus, cardiovascular diseases, chronic kidney disease and others. Changes in the balance of trace elements (ME) are considered as a risk factor for the development of severe forms of COVID-19. It is especially important that this factor can potentially be influenced, especially given the potential for replenishing the ME deficit in patients with COVID-19 for the purpose of early recovery and faster rehabilitation.Copyright © 2022 Tomsk Polytechnic University, Publishing House. All rights reserved.
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Globally, diet quality is poor, with populations failing to adhere to national dietary guidelines.(1) Such failure has been consistently linked with poorer health outcomes.(2) Examples of malnutrition include both under- and over-nutrition, with overweight and obesity now a significant health problem worldwide.(3) Other commonly occurring examples of malnutrition are micronutrient deficiencies with iron, vitamin A and iodine deficiencies being the most frequently occurring globally. These nutritional challenges have been influenced by recent global world events, including the COVID-19 pandemic, the war in Ukraine and the related economic uncertainties;with all of these events influencing food supply and food security. Diet and health status is socio-economically patterned, and such inequalities are likely to have been enhanced as a result of these recent events. In addition to the impact of diet on health outcomes it is increasingly recognised that what we eat, and the resulting food system, has significant environmental or planetary health impacts, and research activity is growing in terms of understanding the detail of these impacts, what changes are required to reduce these impacts and also how the impact of climate change on our food supply can be mitigated. Given the complexity of the interactions between climate change, other world events, food and health, and the different actors and drivers that influence these, a systems thinking approach to capture such complexity is essential.(4) Such an approach will help address the challenges set by the UN 2030 Agenda for Sustainable Development in the form of the Sustainable Development Goals, which are a call to action to end poverty and inequality, protect the planet, and ensure that all people enjoy health, justice and prosperity.(5) Progress against SDGs has been challenging with an ultimate target of 2030. While the scientific uncertainties regarding diet and public and planetary health need to be addressed, equal attention needs to be paid to the structures and systems, as there is a need for multi-level, coherent and sustained structural interventions and policies across the full food system/supply chain to effect behavior change. Such systems-level change must always keep nutritional status, including impact on micronutrient status, in mind. However, benefits to both population and environmental health could be expected from achieving dietary behaviour change towards more sustainable diets.
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Immunity plays a fundamental role in the maintenance and protection of the human body from infectious and pathogenic microorganisms. It requires regular intake of nutrients for proper functioning of the immune system. Due to an unbalanced lifestyle and consumption of ready-to-eat foods, immunity is being affected negatively. Inflammation and immunity are influenced by diet and nutrition. Simple sugars, trans fats, refined carbs, and processed meat, among other meals, may induce inflammation while simultaneously counteracting the anti-inflammatory benefits of omega-3 fatty acids. As a result, unhealthy food intake may enhance systemic inflammation in individuals, boosting the generation of IL-6. Dietary nutrition is a well-known aspect of immune system maintenance, with the significance of micronutrients prominently featured in a variety of scientific literary works. Currently, global population is susceptible viral infection such as COVID-19. This viral strain is directly attacking the immunity of the individual and bringing it at risk. When a patient's immune system isn't operating correctly, COVID-19 is thought to raise the harshness of the infection or make it more vulnerable to contagious diseases. This review paper will help in understanding the immune responses mechanism along with diet balance and maintaining the sufficiency of vitamins and minerals to fight against COVID-19 infection.Copyright © 2023 The Author(s)
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Circadian rhythms, also known as circadian clocks, are cyclic endogenous biological patterns of an approximately 24-hour cycle which regulate the timing of physiology, metabolism, and behavior. Recent research in the field of circadian science has suggested that the timing of food intake may also play a role in markers of health, in addition to food choice and food quantity. There is emerging evidence suggesting that the timing of dietary intake, so-called chrono-nutrition, may be influenced by an individual<apos;>s chronotype. For example, the evening type has been linked to unhealthy diet, which could indicate a higher possibility of obesity. On the other hand, the continuum of chronotype diversity is largely mediated by genes. The presence of single nucleotide polymorphisms (SNP) of clock genes have been associated with obesity, chronotype, metabolic disturbances, and dietary habits (e.g., breakfast skipping, meal timing, energy/macronutrient intake). In this review, we outline the current knowledge of the interactions between clock genes, chronotype, dietary intake and chrono-nutrition.Additionally, it is emphasized that the COVID-19 pandemichas had a significant impact on the circadian system, dietary choices and meal timing. For this reason, the current review aims to focus on how chronotype/sleep and chrono-nutrition are affected during the COVID-19 pandemic.Copyright © 2022 Informa UK Limited, trading as Taylor & Francis Group.
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COVID-19 is a respiratory infection caused by a newer strain of coronavirus known as SARS-CoV-2. The major problem of COVID-19 infections is the ARDS, followed by respiratory failure, organ failure, and even death with multiple organ dysfunction, including cardiovascular collapse. Moreover, it affects the old age population with co-morbid conditions. The deficiency of diet, micronutrients, and vitamins also plays a key role in diminishing the immune power, and increases the rate of viral infectivity. The possible reasons and management methods are discussed in this review. The management methods enhance the host immune system via multi-functional and multi-targeted actions. The global rate of COVID-19 outbreak necessitates the need to develop newer medicines. The drug discovery process is based on the exposure of viral proteins, genome sequence, replication mechanisms, pathophysiological mechanisms, and host cell components (as a target) reactions. This article highlights the overview of coronavirus components, the replications process, and possible targets for the management of coronavirus infections. It may lead to the rapid development of newer medicines for the treatment of coronavirus in-fections.Copyright © 2022 Bentham Science Publishers.
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This study aimed to review zinc's effectiveness as an antivirus in treating herpes simplex virus infection. The authors use international journals published from 2000-2022, and use search engines such as Google Scholar, PubMed, and Science Direct with the keywords "zinc and herpes simplex virus". The herpes simplex virus that often causes symptoms in humans are HSV type 1 and type 2. The lesions appear as vesicles which then rupture into ulcers. Zinc is one of the most abundant nutrients or metals in the human body besides iron. Studies about the effects of zinc on HSV have shown that it has the function of inhibiting the viral life cycle. HSV attaches to the host cells to replicate and synthesize new viral proteins. Zinc can inhibit this process by depositing on the surface of the virion and inactivating the enzymatic function which is required for the attachment to the host cell, disrupting the surface glycoprotein of the viral membrane so it could not adhere and carry out the next life cycle, it can also inhibit the function of DNA polymerase that works for viral replication in the host cell. This article showed that zinc has effectiveness as an antivirus against the herpes simplex virus, therefore, patients infected with HSV can be treated with zinc as an alternative to an antivirus drug.Copyright © 2022 The Authors. Published by Innovare Academic Sciences Pvt Ltd.
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This review focused on compiling, summarizing, updating the information available on the colostrum and its health benefits. Colostrum is the first milk secreted by the mammary gland of female mammals immediately after birth during the first few days, and its composition differs from the mature milk. It ensures immune support for newborns in the early stages of life. It is a divine immune gift from the Creator. Mammalian colostrum contains unique components rich in nutritional macronutrients (proteins, fat, carbohydrates) and micronutrients (vitamins, minerals, antioxidants) and many bioactive substances like antimicrobial factors (Igs, LF, LP, LZ, cytokines) and growth factors (EGF, TGFalpha and beta, IGF-1 and 2, FGF, PDGF, GH), which are necessary to stimulate the immune systems that newborns need for health and survival life. Physicochemical composition changes dramatically in the first few days that distinguish it from mature milk. This reverses an essential difference in their biological function as fractional sources or for health-promotion. So it is considered one of the best natural food supplements consumed within various life stages. Colostrum is used to treat cancer, AIDS, polio, heart disease, and rheumatoid arthritis. Hyper-immune colostrum or milk collected from cows immunized by SARS-CoV-2, it can grant protection short-term from infection in humans and can be used as an alternative way to produce specific antibodies against CoVID-19 until effective excess vaccines against new mutations can be available. Likewise, colostrum and its components contribute as a non-drug alternative to the clinical management of CoVID-19. Also, lactoferrin and its supplements are effective in preventing and treating people with coronavirus infection. Therefore, due to these previous multiple functions, colostrum is considered as a natural food, called miracle immune milk, and used as a medicine.Copyright © 2022 The Author
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Fritillaria ussuriensis Bulbus, a genuine medicinal material of Northeast China, is the dry bulb of Fritillaria ussuriensis Maxim. It contains various active ingredients, such as alkaloids, alkaloids glycosides, adenosines, polysaccharides, and trace elements . It has antitussive, eliminating phlegm, antiasthmatic, antiulcer, antiplatelet aggregation, and anti-inflammatory. The qualitative and quantitative analysis of alkaloids, polysaccharides, nucleosides, and trace elements in Fritillaria ussuriensis Bulbus were reviewed, which is helpful for its cultivation and accurate application, and would provide a new choice for the treatment of coronavirus disease 2019 (COVID-19). © 2022
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Background: Zinc (Zn) is an essential trace element with high relevance for the immune system, and its deficiency is associated with elevated infection risk and severe disease course. The association of Zn status with the immune response to SARS-CoV-2 vaccination is unknown. Methods: A cohort of adult health care workers (n=126) received two doses of BNT162B2, and provided up to four serum samples over a time course of 6 months. Total SARS-CoV-2 IgG and neutralizing antibody potency was determined, along with total as well as free Zn concentrations. Results: The SARS-CoV-2 antibodies showed the expected rise in response to vaccination, and decreased toward the last sampling point, with highest levels measured three weeks after the second dose. Total serum Zn concentrations were relatively stable over time, and showed no significant association with SARS-CoV-2 antibodies. Baseline total serum Zn concentration and supplemental intake of Zn were both unrelated to the antibody response to SARS-CoV-2 vaccination. Time resolved analysis of free Zn indicated a similar dynamic as the humoral response. A positive correlation was observed between free Zn concentrations and both the induced antibodies and neutralizing antibody potency. Conclusion: While the biomarkers of Zn status and supplemental Zn intake appeared unrelated to the humoral immune response to SARS-CoV-2 vaccination, the observed correlation of free Zn to the induced antibodies indicates a diagnostic value of this novel biomarker for the immune system.
Subject(s)
COVID-19 , SARS-CoV-2 , Adult , Antibodies, Neutralizing , Antibodies, Viral , BNT162 Vaccine , COVID-19/prevention & control , COVID-19 Vaccines , Humans , Vaccination , ZincABSTRACT
Background and purpose: COVID-19 is a viral respiratory disease that results in high mortality. Evidence suggests that micronutrients affect viral and bacterial infections. This study was performed to evaluate the effectiveness of micronutrients (vitamin D, vitamin C, and selenium) on the disease severity in patients hospitalized with COVID-19. Material(s) and Method(s): This retrospective cross-sectional study was carried out in patients with diagnosis of COVID-19 in Qaemshahr Razi Hospital, 2020. Medical records were reviewed and 42 were selected. Data of patients that received micronutrients including vitamin D, vitamin C, and selenium and those that did not receive these supplements were compared. Duration of hospitalization, respiratory support, oxygen therapy, requiring invasive/non-invasive mechanical ventilation, and incident of death were investigated. Statistical analysis was done in SPSS V25. Result(s): Survival rates in the groups receiving vitamin C, D, and selenium were not significantly different from the groups that did not receive these supplements (P= 0.42, 0.63, 0.084, respectively). The study showed no significant relationship between vitamin D, C, and selenium intake and the need for ventilation due to respiratory distress (P= 0.139, 0.2, and 0.8, respectively). Conclusion(s): No remarkable difference was seen between the recipients of vitamin C, D, and selenium and those who did not receive supplements in terms of survival and the need for mechanical ventilation. So, these supplements did not affect the clinical outcomes of patients with COVID-19. Copyright © 2022, Mazandaran University of Medical Sciences. All rights reserved.
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These proceedings contain 49 articles that discuss common themes that emerge. (1) the persistently high incidence of micronutrient deficiency in a variety of populations in rich, middle, and low-income countries;(2) frequent micronutrient deficiencies;(3) poor diets with little variety and a lack of foods high in micronutrient density are the main causes of deficiencies;(4) a poor diet's negative consequences are exacerbated by clinical conditions, drugs for prevalent non-communicable diseases, and environmental factors;(5) research on the mechanisms behind the impacts of micronutrients is ongoing. (6) immune function must be maintained, which is critical given the COVID-19 pandemic;(7) more accurate biomarkers are required to identify deficiencies and their consequences;and (8) dietary guidelines must be updated on a regular basis.
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Trace elements are a group of essential metals or metalloids, which are necessary for life, and present in minute amounts. Despite substantial researches highlighting the importance of trace elements in Coronavirus disease 2019 (COVID-19) diseases, a thorough evaluation of the levels of circulating trace elements is lacking. Therefore, we conducted a systematic review and meta-analysis to evaluate the trace element status (Zn, Fe, Cu, Mg, and Se) in COVID-19 disease. We also assessed the relationship between circulating trace elements and COVID-19 disease severity and survival status during follow-up. We searched comprehensively MEDLINE, Web of Science, CNKI, and WangFang databases without language restriction, between November 1, 2019 and April 1, 2022. The search identified 1,566 preliminary references. A total of 49 studies met the eligibility criteria and were included in the review, and 42 studies were included in the final meta-analysis. Meta-analysis showed that COVID-19 patients had significantly lower circulating Zn (SMD: -0.83, 95% CI: -1.19 to -0.46, P < 0.001), Fe (SMD: -1.56, 95% CI: -2.90 to -0.21, P = 0.023), and Se (SMD: -0.75, 95% CI: -0.94 to -0.56, P < 0.001) levels than healthy controls, and circulating Zn (SMD: -0.47, 95% CI: -0.75 to -0.18, P = 0.002), Fe (SMD: -0.45, 95% CI: -0.79 to -0.12, P = 0.008), and Se (SMD: -0.27, 95% CI: -0.49 to -0.04, P = 0.020) levels were associated with the presence of severity status in COVID-19 patients. Moreover, circulating Fe levels in non-survivors were significantly lower than survivors in COVID-19 (SMD: -0.28, 95% CI: -0.44 to -0.12, P = 0.001). However, there was no significant difference in Cu and Mg levels between COVID-19 patients and controls, severity and non-severity status, and survivors and non-survivors (all P > 0.05). Taken together, COVID-19 patients displayed lower circulating levels of Zn, Fe, and Se, and their levels were associated with severity status. Moreover, circulating Fe levels may provide part of the explanation for the unfavorable survival status. Therefore, we presumed optimistically that supplements of trace elements might provide an adjutant treatment in the early stages of COVID-19. Systematic review registration: [https://www.crd.york.ac.uk/prospero], identifier [CRD42022348599].
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The coronavirus-disease 2019 (COVID-19) was announced as a global pandemic by the World Health Organization (WHO), and it affected all human groups. Severe COVID-19 is characterized by cytokine storms, which can lead to multiorgan failure and death, although fever and cough are the most typical symptoms of mild COVID-19. Plant-based diets provide a 73% lower risk of moderate-to-severe COVID-19. Additionally, the association between low levels of some micronutrients and the adverse clinical consequences of COVID-19 has been demonstrated. So, nutritional therapy can become part of patient care for the survival of this life-threatening disease (COVID-19) also short-term recovery. Magnesium as an essential micronutrient due to its anti-inflammatory and beneficial effects can effectively prevent COVID-19 pandemic by playing a role in the treatment of comorbidities such as diabetes and cardiovascular disorders as major risk factors for mortality. Sufficient magnesium to stay healthy is provided by a proper daily diet, and there is usually no need to take magnesium supplements. Considering that almost half of the dietary magnesium comes from fruits, vegetables, nuts, and grains, it seems necessary to pay attention to the consumption of edible plants containing sufficient magnesium as part of the diet to prevent severe COVID-19. In this study, we have described the beneficial effects of sufficient magnesium levels to control COVID-19 and the importance of plant-based magnesium-rich diets. Additionally, we have listed some edible magnesium-rich plants.
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It has been a hugely challenging task proving nutritional support in adult intensive care units during the COVID-19 pandemic. We therefore reviewed the nutritional parameters of patients admitted to intensive care during both surges of the virus to provide detailed information and to ensure we are fully informed to provide the best service in future surges. Retrospective data was collected from 168 patients using dietetic electronic handovers from 04.10.20 to 04.04.21 and compared to the data collected for 122 patients in surge one, (data collected 20.03.20 to 8.5.20). This was analysed using an excel spreadsheet. The results are outlined in table one below: [Formula presented] The critical care ventilation plan for these patients had been reviewed1 and this impacted the route of feeding as follows: Nasogastric feeding on admission: 50.6% (96%), oral nutritional support: 35% (4%), oral nutritional support with subsequent NG feeding: 11% (3%), parenteral nutrition: 1.8% (0), PEG: 0.62% (0). Using data collected from surge one, we were able to prepare training for the dietetic team with regards to the demographics of the patient and the impact on nutritional care. This is particularly important with regards to the challenge of meeting energy and protein requirements of obese patients2. We reviewed the difficulties gathering accurate weights from the first wave and purchased new patient transfer scales®. This allowed us to gain weights that we would not have been able to. More patient heights were available as dietitians were present on the unit in surge two (remote working in surge one) and were able to do bedside measures of ulna length where a height was unavailable. Using surge one data we were prepared for high numbers of patients requiring enteral feeding on admission. However there was a different picture in surge two with more patients awake, using high flow oxygen therapy or on a CPAP hood. This brought different challenges with meeting macro and micronutrients orally. Patients with breathing difficulties were not keen to consent to an NGT and when they did, the NGT insertion procedure was tricky in those patients with high Fi02. We reviewed our range of macronutrient supplements and started using an oral protein supplement containing 30 mls, 10 g protein and 100 kcal to help with this. We attended MDT meetings to discuss feeding route and for further surges we plan to implement a standard operating procedure for enteral feeding patients on CPAP. 1. Intensive Care Society (2021) Clinical Guideline for the management and care of critically ill adults with COVID-19 during the coronavirus pandemic. Faculty of Intensive care Medicine. 2. Singer et al (2019) ESPEN guideline on clinical nutrition in the intensive care unit: Clinical Nutrition 38:48-79
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As research related to healthspan and lifespan has become a hot topic, the necessity for a reliable and practical biomarker of aging (BoA), which can provide information about mortality and morbidity risk, along with remaining life expectancy, has increased. The chromosome terminus non-coding protective structure that prevents genomic instability is called a telomere. The continual shortening of telomeres, which affects their structure as well as function, is a hallmark of agedness. The aforementioned process is a potential cause of age-related diseases (ARDs), leading to a bad prognosis and a low survival rate, which compromise health and longevity. Hence, studies scrutinizing the BoAs often include telomere length (TL) as a prospective candidate. The results of these studies suggest that TL measurement can only provide an approximate appraisal of the aging rate, and its implementation into clinical practice and routine use as a BoA has many limitations and challenges. Nevertheless, measuring TL while determining other biomarkers can be used to assess biological age. This review focuses on the importance of telomeres in health, senescence, and diseases, as well as on summarizing the results and conclusions of previous studies evaluating TL as a potential BoA.