While there are claims of benefits from water fasting ... both systolic and diastolic blood pressure after a 10-day water-only fast and five days of refeeding (reintroduction of food).

Intermittent fasting is when you only eat in a certain time window, such as from 10 AM to 6 PM. Intermittent fasting benefits may include ... for 18 hours a day for 5 weeks had reductions of ...