Question 1

What is intermittent fasting?

Accepted Answer

Intermittent fasting (IF) is not a diet but an eating pattern: periods without calorie intake alternate with eating windows. The most popular methods are 16:8 (fast 16h, eat within 8h) and 5:2 (5 normal days, 2 days with ~500 kcal).

Question 2

Does intermittent fasting help with weight loss?

Accepted Answer

Yes – primarily through caloric reduction. Studies show IF is as effective as continuous caloric restriction. Additional benefits include simplified meal planning, improved insulin sensitivity and potentially better fat burning (NEJM review 2019).

Question 3

Which intermittent fasting method is best?

Accepted Answer

It depends on your lifestyle. 16:8 is most popular as it simply means skipping breakfast. The 5:2 method offers more weekday flexibility. The best method is the one you can maintain long-term.

Question 4

Who should avoid intermittent fasting?

Accepted Answer

Pregnant or breastfeeding women, people with underweight, diabetics on insulin therapy, those with eating disorders, and children and teenagers should avoid IF. Consult a doctor before starting if you have existing health conditions.

Intermittent Fasting: Methods, Benefits & Scientific Evidence