The difference in body composition (muscle loss and dehydration), metabolic effects, and the return of weight has been reported (9, 10). In a meta-analysis study, weight return had been reported in most participants (77%), who followed WL diets (11). In a classification of diets based on calorie restrictions and speed of WL, diets are divided to rapid WL, moderate WL, and slow WL.
Scientists and nutrition experts like it too and are saying it’s the way of the future for losing and keeping weight off and new books and articles on the topic are being published daily including best selling books like ‘Eat Stop Eat’ and ‘The 8 Hour Diet’. Intermittent fasting is also popular with followers of the Paleo diet since our ancestors appear to have eaten this way for thousands of years.
dChanges between groups, for normally distributed variables, paired-sample t test and independent-sample t test were used to investigate differences within and between groups, respectively. For non-normally distributed variables, the Wilcoxon signed rank and Mann-Whitney U tests were used to assess differences within and between groups, respectively.
The menstrual cycle itself doesn’t seem to affect weight gain or loss. But having a period may affect your weight in other ways. Many women get premenstrual syndrome (PMS). PMS can cause you to crave and eat more sweet or salty foods than normal.4 Those extra calories can lead to weight gain. And salt makes the body hold on to more water, which raises body weight (but not fat).