Effect of fasting on cardiovascular risk factors among healthy adult Muslims attending primary care, Kano, Northern Nigerian.

Background: Cardiovascular diseases (CVD) are among the most prevalent and preventable chronic diseases in the 21st century The global burden of disease: 2004 update. The Report in Sections. A person's risk of developing CVD can be reduced by adopting healthy lifestyles, spiritual and religious practices The American Heart Association Life's Simple 7 in African Americans of the Jackson Heart Study. Fasting as a spiritual practice is not exempted from these benefits. Most world's religions recommend a period of fasting. The obligatory Ramadan fasting in Islam may provide an interesting opportunity to reduce food intake and increase physical activity. The main objective of this study is to investigate the effect of Ramadan fasting on cardiovascular risk factors on healthy adult Muslims.

Method: The study was pre/post-test single arm intervention conducted at the staff clinic of Family Medicine department, AKTH, and Northwest, Nigeria. Kano. The study recruited healthy adults 18yrs and above not on any medications that can affect metabolic profiles consecutively from two weeks before Ramadan fasting of 2018 and the last week of Ramadan of the same year. The questionnaire included information on sociodemographic, clinical parameters and Lifestyle pattern.

Result: Thirty healthy volunteers were included in this study, 25 males (83.3%) and 5 females (16.7%). The mean age was 38.23 ± 6.35(SD). Twenty-five participants were married (83.3%) with 4 singles (13.3%) and 1 divorcee (3.3%). During Ramadan fasting, weight reduced (67.90 ± 11.61 versus 66.53 ± 12.13 4th week of Ramadan p-value < 0.002) Body Mass Index (22.89 ± 3.63 versus 4th week of Ramadan 22.38 ± 3.64 p-value < 0.002) and systolic blood pressure (120.33 ± 19.91versus 4th week of Ramadan 115.33 ± 14.32 p-value 0.003) reduced significantly compared to baseline. The waist circumference, pulse rate, fasting blood sugar and cholesterol were reduced but were not statistically significant.

Conclusion: The result from this study suggested that Ramadan fasting may be a useful means of reducing burden of cardiovascular diseases, as the improved cardiovascular risk factors associated with fasting may translate into a significant health benefit.