RESUMO
Over a billion Muslims fast worldwide during Ramadan each year. This religious practice, contributes to their health as well as their spiritual growth. However, available evidence regarding the health benefits of Ramadan fasting is scarce and highly contentious. Although Islam exempts patients from fasting, many conceivably fast, and their clinical condition is prone to deteriorate due to persistent gap between current expert knowledge and conclusive strong evidence regarding the pathophysiologic and metabolic alterations of fasting. In this article, we summarize the results of initial studies regarding the effects of Ramadan fasting on some clinical conditions, alterations of body composition and clinically important outcomes of patients with previous history of cardiovascular disease, asthma or renal colic disease. Our studies have shed light on several outcomes in favor of Ramadan fasting, and encourage those afflicted to consult their physicians and follow medical and scientific recommendations. In this review we aimed to present relevant evidence, clarify future scope and provide suggestions for future investigations
RESUMO
The present study aimed to evaluate the effects of Ramadan fasting on the level of sex hormones in girls between 9-13 years before age at menarche. This study was conducted on a sample of 58 subjects [age range: 9-13 years], who were divided into two groups of fasting [N=31] and non-fasting [N=27]. The levels of follicle-stimulating hormone [FSH], luteinizing hormone [LH], progesterone and estradiol were measured in all the subjects before and after Ramadan. Measurements were carried out three days before the start of Ramadan, and one day afterwards. In this study, FSH levels significantly increased in the non-fasting group [P=0.01], and the level of Dehydroepiandrostenedione [DHEA] had a significant decrease during the time of study in both groups [P=0.001, P=0.006]. In addition, serum levels of LH significantly increased in the non-fasting group after Ramadan [P=0.006], and estradiol significantly increased in both groups [P=0.008, P=0.004]. Given the similar changes in the levels of DHEA, progesterone and estradiol in both study groups, it could be concluded that fasting has no effects on these parameters, and the changes in LH and FSH levels could be due to other contributing factors
RESUMO
Fasting during the month of Ramadan is a religious rituals of all healthy adult Muslims. However, there is no clear agreement on the effects of Ramadan fasting on cardiovascular disease. Comorbidities and factors such as age, gender, health status, daily duration of fasting, food intake before and after fasting may impact on a fasting individual's cardiometabolic risk. This review was undertaken to assess the effects of Ramadan fasting on: the incidence of cardiovascular disease during the month of Ramadan; the clinical status of patients with stable cardiac disease; and any alterations in cardiometabolic risk profile. A systematic search was undertaken for studies that investigated the impact of Ramadan fasting on cardiovascular outcomes and risk factors. Electronic databases including MEDLINE, Scopus and Web of Knowledge were searched from 1982 up to 2014. The incidence of acute cardiac illness during Ramadan fasting was similar when compared to non-fasting days. Ramadan fasting is associated with elevations in high-density lipoprotein cholesterol [HDL-c], and reductions in low-density lipoprotein cholesterol [LDL-c] and total cholesterol [T-chol]. However, the lipid profile of diabetic patients deteriorated significantly during Ramadan fasting. In addition, Ramadan fasting lowers body weight, body fat percentage and BMI [body mass index]. However, the relationship between weight reduction and loss of body fat is not studied. The majority of patients with stable cardiac illness can opt for Ramadan fasting safely. However, the long term effects of Ramadan fasting on cardiovascular outcomes and risk factors remains uncertain, and the apparent discordant effects in individuals with and without diabetes mellitus merits further study
RESUMO
Ramadan fasting is prescribed by Quran for every able?bodied, adult Muslim and is considered an obligatory act of worship. During Ramadan, the majority of Muslims eat two major meals? one before dawn [Sahar] and another immediately after the sunset [Iftar]. Islamic fasting, due to its particular nature, may cause metabolic and hormonal changes in the body, which are different from those in regular fasting. To the best of our knowledge, no comprehensive study has been conducted on changes in growth parameters during fasting periods. Therefore, the aim of this review, which is based on scientific literature review, was to describe the effects of fasting on growth parameters in humans
RESUMO
Fasting during the month of Ramadan is a religious obligation, practiced by millions of people around the world. Ramadan fasting is essentially a fundamental change in lifestyle for one lunar month. This type of fasting may have significant effects on lipid profile. Although there is no scientific consensus about the effects of fasting on cardiovascular risks such as changes in lipid profile, some studies have revealed the positive effects of Ramadan fasting [and similar religious fasting] on lipid profile and cardiovascular diseases [CVDs] such as atherosclerosis and coronary artery disease. These effects may be related to factors such as different fasting durations [season-dependent], diets, and physical activities during Ramadan. An overall improvement in cardiovascular risk profile is noted during Ramadan fasting. Majority of studies have reported an increment in high-density lipoprotein [HDL] level, decreased triglyceride level, and no change or decline in total cholesterol or low-density lipoprotein [LDL] levels. Therefore, given the lack of comprehensive literature in this field, we reviewed some related studies in order to describe the impact of Ramadan fasting on lipid profile. It can be inferred that Ramadan fasting alters lipid profile by improving HDLcholesterol and reducing LDL-cholesterol in some cases. However, changes in triglyceride and total cholesterol during Ramadan are not uniform or similar. Moreover, Ramadan fasting is not associated with any changes in the prevalence of CVD or frequency of hospitalization