A study conducted at the Hebrew University found that eating carbs at dinner, while avoiding them the rest of the day, is actually beneficial for obese and diabetic people. The idea came from studies on Muslims during Ramadan, when they fast during the day and eat high-carb meals at night.

Painkilling, anti-inflammatory drug may help prevent headaches in Jews abstaining from eating for 25 hours on Yom Kippur, Muslims fasting from dawn to dusk for Ramadan, according to research conducted in Israel.