A Historical Overview of the Neurological Disorders Associated with Gastrointestinal Ailments from the Viewpoint of Avicenna

Reviewing historical medical manuscripts shows that neurological disorders have been previously described in the Islamic Golden Age. Ibn Sina, also known as Avicenna (980-1037 AD), was one of the most renowned scientists during this period. He widely practiced medicine, especially those disorders related to neurology, neurosurgery, and psychiatry in conventional medicine. In his extant book al-Qanun fi al-Tibb (the Canon of Medicine), he claimed that some types of brain diseases can be related to the "maraqq" and called them maraqq-related disorders. From Avicenna's viewpoint, "maraqq" is considered a membranous structure in the abdomen. Ibn Sina has illustrated the association between the "maraqq" and the brain through some direct and indirect pathways. As a result, some disturbances in the "maraqq" can influence the brain, which can contribute to the pathogenesis of a number of brain diseases. Accordingly, those patients who regularly had gastrointestinal discomforts experienced a higher prevalence of headache, melancholia, and epilepsy. This study aimed to explore the relationship between abdominal and brain diseases from Avicenna's viewpoint. Furthermore, the definition, clinical manifestation, and therapeutic strategies of maraqq-related disorders were described.

Herbal medicines in the treatment of children and adolescents with attention-deficit/hyperactivity disorder (ADHD): An updated systematic review of clinical trials.

Objective: This study was performed to provide an updated systematic review of herbal medicines and phytochemicals used for treatment of the pediatric patients with attention- deficit/hyperactivity disorder (ADHD). Materials and Methods: International electronic databases, including Scopus, PubMed, ScienceDirect, and Google Scholar were investigated from 1st January 2000 to late October 2021. Interventional studies published in English language, including randomized controlled trials (RCTs) or open-label clinical studies, which evaluated the effect of herbal medicines and phytochemicals on pediatric ADHD were included in this review. Results: Fifteen studies met the inclusion criteria. Several pieces of evidence support the efficacy of Ginkgo biloba L. and Pycnogenol; mainly inconclusive evidence could be found for Valeriana officinalis L., Melissa officinalis L., and ginseng. The results showed that while Hypericum perforatum L. was ineffective for ADHD, Passiflora incarnata L., Crocus sativus L, and Prunus dulcis (Mill.) D.A.Webb had similar efficacy compared to methylphenidate (MPH). Conclusion: A number of herbal medicines appear to be relatively safe and provide potential efficacy in amelioration of ADHD. However, due to lack of adequate reports of RCTs, no definitely specific recommendations could been made so far.

The effect of a standardized capsule of Aloe vera gel on the quality of life in patients with systolic heart failure: A randomized double-blind placebo-controlled clinical trial.

This trial was designed to evaluate the effect of a standardized capsule of Aloe vera gel (AVG) on the quality of life (QOL) in patients with systolic heart failure (HF). Forty-two patients were randomly divided into two groups to receive either AVG 150 mg or harmonized placebo capsules twice a day for 8 weeks. The patients were evaluated before and after the intervention using the Minnesota Living with Heart Failure Questionnaire (MLHFQ), New York Heart Association (NYHA) functional class, six-minute walk test (6MWT), Insomnia Severity Index (ISI), Pittsburgh Sleep Quality Index (PSQI) and STOP-BANG questionnaires. Post-intervention, AVG group indicated a significant reduction in the total score of MLHFQ (p < 0.001). The changes in MLHFQ and NYHA class were statistically significant after taking medication (p < 0.001 and p = 0.004, respectively). The change of 6MWT in the AVG group was more advanced; however, it was not statistically significant (p = 0.353). Moreover, in the AVG group, the severity of insomnia and obstructive sleep apnea decreased (p < 0.001, p = 0.01 respectively) and the sleep quality improved as well (p < 0.001). There were significantly fewer adverse events reported in the AVG group (p = 0.047). Therefore, AVG combined with standard medical therapy could provide more clinical benefits for patients with systolic HF.

The effect of music on the improvement of sleep quality: a report from the viewpoint of Jorjani.

Insomnia is one of the most, if not the most, common complaint in neurology clinics. A review of historical medical manuscripts shows that the use of music in sleep hygiene and the management of sleep disorders has a long history. Jorjani, a prominent Islamic Golden Age physician (1042-1137 AD), suggested using music in sleep hygiene. In his book, the Zakhireye Khwarazmshahi, he recommended listening to slow, pleasant music and natural sounds such as running water. In the chapter on head diseases, Jorjani has introduced different types of insomnia together with neurological and neuropsychological disorders. In treating one type of insomnia, Jorjani has also advised prescribing a piece of music and describing its musical characteristics (including rhythm and mode). He recommended using music-associated relaxation as a non-pharmacological intervention, light exercise, bathing, sleep-inducing foods before bedtime, and appropriate herbal medications to treat insomnia. In this historical article, we presented the prescribing music for the management of insomnia, according to Jorjani's viewpoint.

The effect of Rosa canina L. and a polyherbal formulation syrup in patients with attention-deficit/hyperactivity disorder: a study protocol for a multicenter randomized controlled trial.

BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is the most common behavioral disorder in childhood and adolescence. A number of these patients do not respond to the current pharmacological treatments and there may also be drug side effects. This study aims to determine the efficacy and safety of two herbal medicine products, including Rosa canina L. (RC) and a polyherbal formulation (PHF) syrup, on the clinical manifestations of ADHD in children and adolescents. METHODS: Ninety ADHD patients based on DSM-5 diagnostic criteria will be randomly assigned equally into three groups: (1) RC syrup + methylphenidate (MP), (2) PHF syrup + MP, and (3) placebo + MP according to the inclusion criteria (30 subjects in each group). The syrup dosage is 5cc every 8 h, and MP will have a stabilized dose for 8 weeks during the study. Moreover, Conner's questionnaires will be completed by the teacher and parents before the intervention and then every 4 weeks. Also, the Child Symptom Inventory-fourth edition (CSI-4) and temperament questionnaires will be completed before the intervention and every 4 weeks until 2 months. DISCUSSION: This trial is the first experiment to determine the effects of RC and PHF syrups on the clinical manifestations of ADHD in children and adolescents. Our findings provide new insight into the effect of these herbal products on the clinical manifestations of ADHD. TRIAL REGISTRATION: Iranian Registry of Clinical Trials IRCT20190923044855N1 . Registered on 14 January 2020. The trial was registered at https://www.irct.ir/ .

Potential protective effects of Aloe vera gel on cardiovascular diseases: A mini-review.

Cardiovascular diseases (CVDs) comprise the most prevalent causes of morbidity and mortality in both men and women worldwide. CVDs are associated with several risk factors such as hyperlipidemia, diabetes mellitus, hypertension, obesity, tobacco smoking and an unhealthy diet. Currently, in addition to the use of related pharmacological treatments in the management of CVDs, the investigation of other suitable healthcare approaches for these disorders such as the identification of herbal medicines has been considered in the scientific communities. Aloe vera (L.) Burm.f. is a perennial medicinal plant. The innermost leaf layer of this plant contains transparent gel, which is used as food. Pre-clinical studies have shown several biological activities of A. vera gel (AVG), including antidiabetic, lipid-lowering, antioxidant, antiinflammatory, hepatoprotective, and immunomodulatory effects. Other pharmacological activities of AVG such as anti-fibrotic, anti-hypertensive, and anti-atherosclerotic effects have been reported. Moreover, several clinical studies have demonstrated the ameliorating effects of AVG on some markers of CVDs risk factors. Thus, this study was conducted to review clinical trials besides in vitro and in vivo studies on the cardiac beneficial effects of AVG. However, further high-quality studies are needed to firmly establish the clinical efficacy of the plant.

A review on phytochemical and therapeutic potential of Iris germanica.

OBJECTIVES: Iris germanica L. is a medicinal plant, which has a long history of uses, mainly in medieval Persia and many places worldwide for the management of a wide variety of diseases. In this study, we aimed to review ethnopharmacological applications in addition to phytochemical and pharmacological properties of I. germanica. KEY FINDINGS: Ethnomedical uses of I. germanica have been reported from many countries such as China, Pakistan, India, Iran and Turkey. The medicinal part of I. germanica is the rhizome and the roots. Based on phytochemical investigations, different bioactive compounds, including flavonoids, triterpenes, sterols, phenolics, ceramides and benzoquinones, have been identified in its medicinal parts. Current pharmacological studies represent that the plant possesses several biological and therapeutic effects, including neuroprotective, hypoglycaemic, hypolipidaemic, antimicrobial, antioxidant, antiproliferative, anti-inflammatory, antiplasmodial, antifungal, immunomodulatory, cytotoxic and antimutagenic effects. SUMMARY: Although the majority of preclinical studies reported various pharmacological activities of this plant, however, sufficient clinical trials are not currently available. Therefore, to draw a definitive conclusion about the efficacy and therapeutic activities of I. germanica and its bioactive compounds, further clinical and experimental studies are required. Moreover, it is necessary to focus on the pharmacokinetic and safety studies on the extracts of I. germanica.

Almond as a nutraceutical and therapeutic agent in Persian medicine and modern phytotherapy: A narrative review.

Sweet almond (Prunus dulcis (Mill.) D.A.Webb) is a known nut, which has long been used in several ethnomedical systems, especially in Persian medicine (PM) for its nutritional and therapeutic activities. In this study, we aimed to provide a summary on traditional uses, phytochemistry, and pharmacological activities of sweet almond. Thus, we reviewed textbooks of PM and electronic literature on traditional medicine. Moreover, the available data on the usage of sweet almond were searched in electronic databases to find articles on its pharmacological properties and phytochemistry. According to phytochemical investigations, this plant contains macronutrients, micronutrients, essential oils, various phenolic compounds, and phytosterols. Current pharmacological studies represent that Prunus dulcis has several biological activities including prebiotic, antimicrobial, antioxidant, antiinflammatory, anticancer, hepatoprotective, cardiometabolic protection, nootropic, anxiolytic, sedative-hypnotic, and nervous-improving effects. Further clinical trials and meta-analysis are required to draw a definitive conclusion on the efficacy and therapeutic activities of almond.

THE MODEL OF CLINICAL REASONING IN APPROACH TO FEBRILE INFECTIOUS DISEASES IN MEDIEVAL PERSIA

Reviewing ancient manuscripts of Persian medicine (PM) reveals that there have been some basic principles for decision-making in epidemic infectious diseases that existed in the past. These PM rules for clinical reasoning were applied through a personalized approach along with public health advice in such situations. Currently, the coronavirus pandemic has been the biggest problem in the world. Its mainstay of treatment is based on preventative measures and symptomatic treatments. Meanwhile, traditional medical systems for providing preventive, supportive, and rehabilitative care to patients have received more attention than before. Thus, the specific individual approach considered by PM scholars for clinical courses of epidemic infectious diseases may help shed more light on the spread of knowledge on epidemic diseases in ancient Persia.

Health Benefits of Turmeric and Curcumin Against Food Contaminants.

Food contaminants are one of the most important and concerning issues worldwide. Protecting the public from the harm of contaminated foods has become a daunting task. On the other hand, the elimination of these contaminants from food seems impossible. Therefore, one of the best solutions is to recommend inexpensive and publicly available food additives like many spices used in food as flavoring and coloring. Curcuma longa or turmeric is one of the well-known spice, which confers many medicinal properties. Curcumin is the main active ingredient in turmeric, which has many health benefits. Recent research has revealed that turmeric/curcumin has protective effects against toxicants, mostly natural and chemical toxins. In this review article, we reviewed studies related to the protective effects of turmeric and its active ingredient against food contaminants.