What kinds of jobs do you think the happiest people have? According to Self, jobs that you have you on your feet and actively creating results are the most rewarding of them all. This means that trainers are living some of the most joyous lives around!
"Older sprinters have better bone density and neuromuscular functioning than older distance runners, according to a study published in Osteoporosis International.German researchers examined 178 competitors at the 2006 edition of the European Masters Championships. They measured bone density, lean tissue mass, and a few measures of neuromuscular functioning, or how well one's nervous system communicates with one's muscles, in three groups of athletes: sprinters, middle-distance runners and long-distance runners..."
"Studies have already shown that strenuous exercise alone commonly results in a small amount of intestinal trauma. A representative experiment published last year found that cyclists who rode hard for an hour immediately developed elevated blood levels of a marker that indicates slight gastrointestinal leakage. Physiologically, it makes sense that exercise would affect the intestines as it does, because, during prolonged exertion, digestion becomes a luxury, said Dr. Kim van Wijck, currently a surgical resident at Orbis Medical Center in the Netherlands, who led the small study. So the blood that normally would flow to the small intestine is instead diverted to laboring muscles. Starved of blood, some of the cells lining the intestines are traumatized and start to leak.Thankfully, the damage seems to be short-lived, Dr. van Wijck said. Her research showed that within an hour after a cyclist finished riding, the stressed intestines returned to normal.But the most common side-effect of ibuprofen is gastrointestinal damage. And because many athletes take the drug for pain before and after a workout, Dr. van Wijck set out to determine the combined effect of exercise and ibuprofen..."
"No need to sign yourself up for a marathon in your quest to live longer (but if you want to, great! Here’s how.). All it takes is a few minutes of leisurely exercise every day, finds new research from the National Institutes of Health.The National Cancer Institute—a branch of the NIH—tracked the exercise habits and health outcomes of roughly 650,000 adults, most of whom were over the age of 40. Here’s what the researchers figured out: Those who completed 2.5 hours of moderate exercise every week—or half that amount of vigorous exercise—upped their life expectancy by up to 4.5 years. "
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