What is intermittent fasting (IF)?

Dr. Michael Roizen, MD
Internal Medicine
Intermittent fasting (IF) is decreasing your calories some days of the week, but not all days. In this video, I will discuss this eating style, and explains why it's a healthy option for longevity. 
Intermittent fasting (IF) is one of many trendy diet options these days. Basically, IF is the practice of periodically alternating between fasting (by drinking water or perhaps low-calorie drinks like coffee) and eating normally. 

Continue Learning about Dieting For Weight Loss

Dieting For Weight Loss

Dieting For Weight Loss

Losing weight quickly is OK as long as you do it safely, not through a crash diet. You can lose three or more pounds a week by burning more calories than you eat. If you burn an extra 500 calories per day through eating less and i...

ncreasing your physical activity, you can lose about one to two pounds of fat per week. Dietitians recommend a daily minimum of 1,200 calories per day (a 200-pound person might need 1,400 calories). Anything less makes you lose muscle as well as fat, which slows your metabolism. Instead, minimize your intake of starches, added sugars like high fructose corn syrup and animal fat from dairy and meats. Focus on eating fruits and vegetables, soy products, egg whites, skinless poultry breasts, shellfish and fish, nonfat dairy foods and meat that is 95 percent lean. Drink lots of water, don't skip meals, and eat only from a plate while seated at a table.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.