–The effect of Ramadan fasting on renal function markers, serum electrolytes and cardiovascular parameters at basal conditions and after a simulation of a rugby sevens match was studied in twelve recreational rugby sevens players. Three matches were played: one day before Ramadan (before Ramadan), at the end of the first week of Ramadan (Beg-R) and at the end of Ramadan (End-R). Before and imme...

During the month of Muslim fasting (Ramadan) many people alter their sleeping habits and stay awake most of the night. We investigated the effect of this alteration on morning and midnight cortisol levels in 10 healthy adults in their homes. Four of the subjects showed alteration of the cortisol rhythm during the last 2 weeks of fasting with reversal of the morning/midnight ratio in some values...

Although the effects of short-term fasting on serum leptin concentrations are known, those resulting from long-lasting modifications of food intake schedule, as during the month of Ramadan, have not yet been extensively studied. Therefore, serum concentrations of leptin were measured around the clock at 4-hourly intervals before the beginning of Ramadan and on the twenty-third day of Ramadan da...

Background & Objectives: Annually, many Muslims fast during the month of Ramadan worldwide. This practice has different favorable medical and physiological effects, such as improved serum lipid profile and blood glucose level due to changes in diet and sleep patterns. It has also been hypothesized that Ramadan fasting may affect the immune system. As reported, Ramadan fasting can influence the ...

OBJECTIVE It is aimed to determine whether fasting during Ramadan has any significant effect on anterior chamber parameters, visual acuity and intraocular pressures. METHODS 31 fasting (Group 1) and 30 non-fasting healthy volunteers (Group 2) were enrolled. All cases underwent an ophthalmological examination and anterior segment parameter evaluation (central corneal thickness (CCT), anterior ...

OBJECTIVES To assess the effect of fasting Ramadan during the hottest month of the year in Riyadh, Saudi Arabia. MATERIALS AND METHODS This prospective cohort study was performed at the King Fahd National Guard Hospital in Riyadh, Saudi Arabia. We used the Modification of Diet in Renal Disease formula to estimate the glomerular filtration rate in renal transplant patients who fasted and did n...

Introduction: According to some studies, Ramadan fasting causes minimal changes in the levels of thyroid hormones. The present study aimed to evaluate the impact of Ramadan fasting on the levels of thyroid hormones in fasting women with hypothyroidism and levothyroxine intake. Methods: Serum levels of free thyroxine (T4) and thyroid-stimulating hormone (TSH) we...

BACKGROUND Chronic feeding and sleep schedule disturbances are stressors that exert damaging effects on the organism. Practicing Muslims in Saudi Arabia go through strict Ramadan fasting from dawn till sunset for one month yearly. Modern era Ramadan practices in Saudi Arabia are associated with disturbed feeding and sleep patterns, namely abstaining from food and water and increasing daytime sl...