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Testosterone protects Men Higher naturally occurring levels of the male hormone testosterone appear to protect men from fatal heart attacks or strokes and death from all manner of causes, researchers in Britain said today. But the researchers cautioned men not to begin testosterone supplementation based on the results of this 10-year study, saying the benefits and risks were unclear...Read more.		Teen smoking linked to Drug use Teenagers who smoke are five times more likely to drink and 13 times more likely to use marijuana than those who are not smokers, says a US report issued today. The report by Columbia University's National Centre on Addiction and Substance Abuse presented further evidence linking youth smoking to other substance abuse and spotlighted research on how nicotine affects the adolescent brain...Read More.
Australians not getting enough sun Millions of Australians are exposing themselves to bone disease, fractures, diabetes and cancers by failing to get enough vitamin D, a crucial nutrient produced when skin is exposed to sunlight. Experts have warned the highly acclaimed "Slip Slop Slap" campaign may have been taken too far by a nation terrified of skin cancer...Read more.		Gyms to regulate teaching of Yoga National regulations governing yoga teachers in gyms will be introduced to prevent underqualified instructors injuring pupils. Fitness Australia, the exercise industry's peak body, will agree to a range of minimum qualifications for all its accredited instructors who also teach yogaRead More.