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Among its many biological effects, human growth hormone helps increase muscle mass and reduce body fat. As men age, their levels of the hormone fall. During the same time span, muscle mass declines and body fat increases. In hopes of reversing this aging-related physical decline, some theorists suggest taking injections of human growth hormone. However, the FDA has not approved human growth hormone for anti-aging treatment or athletic enhancement, and it is illegal to market or distribute the hormone for these purposes. To evaluate the safety and efficacy of human growth hormone in healthy older people, researchers reviewed 31 studies that were completed since 1989. Individuals treated with the hormone gained 4.6 pounds of lean body mass and shed a similar amount of body fat. Injections of the hormone led to a slight drop in total cholesterol levels, but no significant changes in LDL or HDL cholesterol levels, triglycerides, aerobic capacity, bone density, or fasting blood sugar and insulin levels. On the flip side, study participants who received human growth hormone experienced a high rate of side effects, including fluid retention, joint pain, breast enlargement, and carpal tunnel syndrome. While more study is needed, human growth hormone does not appear to be either safe or effective for basically healthy men of any age, notes Harvard Men’s Health Watch. The best way to slow the aging process and stay healthy is still a combination of diet and exercise. By adopting a healthful lifestyle, you can reduce your risk of many chronic illnesses, enhance your vigor, and slow the tick of the clock. Read the full-length article: "Growth hormone, athletic performance, and aging" Also in this issue: Depression Are we beating heart disease? Red yeast rice Harvard Men’s Health Watch is available from Harvard Health Publications (www.health.harvard.edu Subscribe to our FREE Ezine and receive current Health News, be eligible for discounted products/services and coupons related to your Health. We publish 24/7. HealthNewsDigest.com For advertising or promotion, email: tvmike13@healthnewsdigest.com Top of Page 
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