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Fish for Longevity

Posted Apr 22 2013 10:08pm
Posted on April 22, 2013, 6 a.m. in Longevity Diet
Fish for Longevity

Fish contains heart-healthy protein and fatty acids, and the American Heart Association recommends eating two 3.5-ounce servings of fatty fish, such as salmon, mackerel, herring, lake trout and albacore tuna, each week.  Dariush Mozaffarian, from the Harvard School of Public Health (Massachusetts, USA), and colleagues studied 2,692 American adults, average age 74 years, who did not have  without prevalent coronary heart disease (CHD), stroke, or heart failure at the study’s start.  The team measured phospholipid fatty acid levels and cardiovascular risk factors in 1992, and monitored relationships with total and cause-specific mortality and incident fatal or nonfatal CHD and stroke through 2008.  The researchers found those subjects with the highest blood levels of omega-3 fatty acids -- lived more than two years longer on average than those with lower blood levels.  Specifically, the data revealed that people with the highest levels of omega-3s reduced their overall risk of death from any cause by up to 27%, as compared to those with the lowest levels; as well, they were at a 35% lower risk of dying from heart disease.  The study authors conclude that: “Higher circulating individual and total [omega]3-[polyunsaturated fatty acid] levels are associated with lower total mortality, especially [coronary heart disease] death, in older adults.”

Mozaffarian D, Lemaitre RN, King IB, Song X, Huang H, Sacks FM, Rimm EB, Wang M, Siscovick DS.  “Plasma Phospholipid Long-Chain [omega]-3 Fatty Acids and Total and Cause-Specific Mortality in Older Adults: A Cohort Study.”  Ann Intern Med. 2013 Apr 2;158(7):515-25.

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Tip #151 - The Benefits of Testosterone Replacement in Aging Men
Testosterone levels in men decrease gradually over time, due to factors such as reduced activity, nutritional deficiency, diabetes, and HGH deficiency. This phenomenon is sometimes referred to as andropause. By age 60, many men have less than half the level of testosterone as they did when they were in their teens. Testosterone replacement therapy (TRT) can help men to:

• Improve bone health: Osteoporosis, a disease that thins and weakens the bones to the point that they become fragile and break easily, is estimated to affect 2 million men, with 3 million more are at-risk. University of Texas Medical Branch (Texas, USA) researchers found that TRT reduced bone turnover and exerted a protective effect on existing bone mass.

• Improves risk factors for cardiovascular disease and diabetes: Bayer Schering Pharma (Germany) researchers reported that TRT significantly reduced waist circumference, total cholesterol, LDL (low-density, "bad”) cholesterol, triglycerides, and body mass index; TRT also increased HDL (“good”) cholesterol. In a related study, the same team found that metabolic risk factors improved with TRT.

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