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• The Perfect Human

  Dean Karnazes ran 50 marathons in 50 days. He does 200 miles just for fun. He'll race in 120-degree heat. 12 secrets to his success.... Read more
  Posted Wednesday, December 27, 2006 2:43 AM from KurzweilAI.net Accelerating Intelligence News / 0 Comments

  Tags: Fitness

• Exercise For the Aging Brain

  Use it or lose it; a fair body of evidence stands in support of the modest improvements to be gained by exercising brain and body. From the Washington Post: "Ten sessions of exercises to boost reasoning skills, memory and mental processing speed staved off mental decline in middle-aged and elderly people ... honing intellectual skills can bolster the mind in the same way that physical exercise protects and strengthens the body. ... the benefits of the brain exercises extended well beyond the specific skills the volunteers learned. Older adults who did the basic exercises followed by later sessions were three times as fast as those who got only the initial sessions when it came to activities of daily living, such as reacting to a road sign, looking up a number in a telephone book or checking the ingredients on a medicine bottle ... the brief training sessions seemed to confer enormous benefits as many as five years later." Every little bit extra gets you closer to an age of real rejuvenation technologies.
  
  View the Article Under Discussion: http://www.washingtonpost.com/wp-dyn/content/article/2006/12/19/AR2006121901431.html
  Read More Longevity Meme Commentary: http://www.longevitymeme.org/news/
  Posted Tuesday, December 19, 2006 5:34 PM from Longevity Meme News and Commentary / 0 Comments

  Tags: Exercise, Brain aging, Fitness

• The Biochemistry of Being Fit

  Being fit is good for the healthy longevity of components and systems within your body. Via the open journal Immunity & Aging, here is a look at fitness and the aging immune system: "Highly conditioned elderly men seem to have relatively better preserved immune system than the sedentary elderly men. Long-term endurance training has the potential to decelerate the age-related decline in immune function ... elderly runners showed a significantly higher T cell proliferative response and IL-2 production than sedentary elderly controls. IL-2 production was similar to that in young adults. Their serum IL-6 levels [a pro-inflammatory cytokine] were significantly lower than their sedentary peers. ... Of the various components of the immune system, T cells are the most sensitive to the effects of aging. Mitogen-induced T cell proliferation is usually reduced, and this may be the result from disruption of the well-balanced network of regulatory cytokines."
  
  View the Article Under Discussion: http://www.immunityageing.com/content/3/1/9
  Read More Longevity Meme Commentary: http://www.longevitymeme.org/news/
  Posted Saturday, September 30, 2006 9:57 AM from Longevity Meme News and Commentary / 0 Comments

  Tags: Aging, Immune system, Health, Fitness