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Sports Promote Smarts

Posted Dec 05 2012 10:09pm

Regular exercise is shown by a number of studies to partially reverse the effects of the aging process on physiological functions and preserve functional reserve.    Anil Nigam, from the University of Montreal (Canada), and colleagues assessed the effects of high-intensity interval training, on a group of six middle-aged men and women. All subjects had a body mass index (BMI) between 28 and 31, in addition to one or more cardiovascular risk factors. The participants followed a four-month program of twice-weekly interval training on stationary bicycles and twice-weekly resistance training. At the end of the study period, trunk fat mass decreased while VO2max and insulin sensitivity rose. Notably, oxygenation of blood in the brain increase significantly, and performance on standardized cognitive tests improved. The study authors report that: "the benefits of physical activity appear to be directly linked to the notion of training volume and intensity.”

Gremeaux V, Gayda M, Lepers R, Sosner P, Juneau M, Nigam A. “Exercise and longevity.”  Maturitas. 2012 Dec;73(4):312-317.

  
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#82 - Sin of the Skin #6: Dull Skin
Up to the age of 14, the skin on the face exfoliates naturally every 14 days. This quick rate of renewal leaves the youngster with a healthy-looking glowing complexion. However, as we get older the rate of natural exfoliation slows down. By the age of 25 and over the skin will exfoliate every 28 days or so. The resulting build up of dead skin cells can leave the skin looking dull. Establish a twice-daily skin routine of cleansing, toning, and moisturizing. Look for products that contain alpha and beta hydroxy acids (AHAs and BHAs), because they can help promote the natural process of exfoliation. Those with sensitive skin may wish to opt for products containing poly hydroxy acid (PHA), as it is non-irritating.
 
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