Adults who engaged in intermittent fasting along with standard nutritional counseling gained better control of their blood sugar and lost more fat than those who only underwent counseling, a new study indicates.

This particular study, though small, has shown us what we’ve known all along,” Stephanie Schiff, a registered dietitian nutritionist at Northwell Health’s Huntington Hospital,

2. ⁠Physical & mental performance: The nutritionist further reveals that intermittent fasting can have a detrimental effect on people who need to perform at high levels both mentally and physically. It may cause low energy, making it difficult to concentrate.