At 59 Joe weighs 130 pounds. He may not look like a person who needs to count calories, but as part of his life extension program, he inspects every mouthful of food that passes through his system.

　　Every day for the past seven years, Joe has limited himself to about 1, 950 calories.

　　He believes that by eating less and restricting his calorie intake, he will trigger a genetic switch that slows the aging process.

　　Joe does not remove food from his diet. Instead, the then 52-year-old father fills up on natural fruits, vegetables and lean proteins that are packed with necessary vitamins and nutrients. “Whenever you are thinking about calorie restriction, you should continually think about getting the most nutritional amount per calorie, ”Joe says.

　　In keeping with this principle, Joe starts every morning with three apples . . . but he only eats the peels. “Most of the fiber is in the peel, and more importantly, most of the nutrients are in the peel, ”he says.

　　“It is important to eat some nuts with breakfast so that you do take in some fat, some healthy fat, or fish and more vegetables, ”he says.

　　For lunch, Joe usually eats a large salad, loaded with vegetables. At dinner time, he and his family enjoy lean meat or fish and more vegetables.

　　When Joe started practicing calorie restriction, he weighed 175 pounds. Since then, he has lost 45 pounds, and he says he hasn’t had a cold in seven years. Though he is in his “golden years”, researchers studying Joe say he has the body of a 20-year-old athlete.

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