To help people live an additional one or two decades, the Centers for Disease Control and Prevention in the United States, based on over ten research findings, has proposed the following methods. Taking 300 milligrams of vitamin C every day can increase your life by 5.5 years. Keeping your cholesterol below 200 can increase your lifespan by four years. Consuming an additional 300 calories each day can extend one's lifespan by 2 to 3 years. Having a get-together with relatives and friends once a week can increase your lifespan by 4.5 years. Running four times a week, two miles each time, can increase your lifespan by 8.7 years. Reduce the frequency of using a car phone or mobile phone. Each less call can increase your lifespan by 45 seconds. Properly treating gastric ulcers can increase one's lifespan by 2 to 5 years. When children grow up, don't be overly concerned about them, and your life can be extended by 4 years. Keeping your diastolic blood pressure below 90 can extend your life by five years. Eating meat no more than three times a week can extend one's life by nine years. Not smoking can extend one's life by five years. Don't be too hard on yourself. You can extend your life by two years. Controlling weight can extend one's life by at least 1.7 years. Drinking a moderate amount of alcohol can prolong one's life by 2 to 3 years. (Excerpted from "Shaanxi Senior Citizens' Daily"