What are the benefits of eating a calorie-restricted diet?

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Consuming significantly fewer calories - up to 30 percent less daily - while still packing in necessary nutrients could increase your lifespan by about four or five years, some scientists say. In some studies, a person's quality of health improves on such a restricted diet, with lower blood pressure and a better immune system. Some people also exhibit lower body temperatures and lower insulin levels, which are thought to be linked to longevity.

Restricting calories isn't wise for children, because it can stunt their growth; it's also dangerous for the elderly and the ill. An extreme calorie restriction, such as 60 percent of daily intake, results in starvation in mice.

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.
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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.