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Selenium May Exert Protective Effect for Prostate Cancer

Posted May 04 2013 10:08pm
Posted on May 2, 2013, 6 a.m. in Men's Health Cancer Minerals

Selenium is an essential trace element which is necessary for growth and protein synthesis. Brazil nuts are the richest dietary source of selenium, however it is also found in organ meats, tuna, seafood, brewer's yeast, fresh garlic, mushrooms, wheat germ, and some whole grains.  Milan S. Geybels, from Maastricht University (The Netherlands), and colleagues analyzed data collected on approximately 60,000 men, ages 55 to 69 years, finding that men with the highest selenium levels, as measured in toenail clippings to indicate long-term selenium intake, had more than a 60% reduced risk for advanced prostate cancer. The study authors write that: “Selenium exerts important biological functions through its presence in selenoproteins and genetic variation in the major selenoproteins glutathione peroxidase 1 (GPX1) and selenoprotein P (SEPP1) has been associated with the risk of [prostate cancer].” 

Milan S. Geybels, Bas A.J. Verhage, Frederik J. van Schooten, Alexandra Goldbohm, Piet A. van den Brandt. “Toenail selenium is associated with a decreased risk of advanced prostate cancer “  [Abstract 3613/5].  Presented at American Association for Cancer Research 2013 Annual Meeting, 9 April 2013.

  
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Tip #156 - Social Ties May Slow Memory Decline
Staying connected with family and friends can beneficially impact memory as we age. Harvard School of Public Health (Massachusetts, USA) researchers studied 16,638 men and women, ages 50 and over, to assess the impact of social integration on changes in memory during a six-year period. The team found that the study participants with high social integration at the start of the study encountered slower rates of memory decline over time, as compared to the less socially integrated subjects. Memory among the least socially integrated declined at twice the rate as that of the most socially integrated.

Among men, social activity in midlife may slash the risk of dementia. Researchers from Johns Hopkins Bloomberg School of Public Health (Maryland, USA) studied 147 male twin pairs for 28 years. Among the twins, those who participated in social activities at home, visited with family and friends, and engaged in club activities and hobbies were less apt to develop dementia.

Be sure to stay in-touch with loved ones on a regular basis. Your network of family and friends not only provides moral support and encouragement, it might also help delay a declining memory.

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