That's why I brought in the experts: Jessica Levinson , MS, RD, CDN, a culinary nutrition expert in New York City and author of 52-Week Meal Planner, and Alyssa Dweck , MD, a women's health expert.

Share on Pinterest A new study found that a 4-week alternate-day fasting protocol showed significant reductions in body fat, but also muscle mass. Lumina/Stocksy Researchers report that alternate-day ...