The increasing competition in the society, the pressure of work, family pressure make more and more people begin to enter the subhealth form, early start aging. Want to retain youth as much as possible, less healthy eating habits as a back-up. If these four kinds of dietary habits that accelerate aging, you have to correct as soon as possible. 1, meal to eat to support animal studies show that limiting calories can prolong life, unlimited eating to full fat, and also than eating six or seven percent full die early. It is best to eat seven or eight points per meal, especially for the middle-aged and elderly, so that it is easier to digest and absorb, but also less fat. In addition, a low-calorie, high-quality protein-rich, low-sugar, low-fat diet can also stimulate the release of growth hormone, strengthen body functions and invigorate the spirit. A little hunger is more conducive to slowing down the aging process than a full stomach. 2, often eat processed foods, frozen foods These foods may add preservatives, artificial colors, bleaching agents and other substances harmful to health, easy to produce free radicals in the body, damaging cells, even if only a small amount, the long-term accumulation still has adverse effects. 3, love to eat fried food grease will become lipid peroxide in the body, the formation of free radicals, only moderate intake. If cravings must eat, but also to reduce the number and quantity. 4, the diet is unchanged often eat the same food, will increase the chances of harmful substances in the body residue.