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dna (deoxyribonucleic acid), exercise, fitness, genetics and heredity, karolinska institute, lindholm, malene e, phys ed -

We all know that exercise can make us fitter and reduce our risk for illnesses such as diabetes and heart disease. But just how, from start to finish, a run or a bike ride might translate into a healthier life has remained baffling.Now new research reports that the answer may lie, in part, in our DNA. Exercise, a new study finds, changes the shape and functioning of our genes, an important stop on the way to improved health and fitness.The human genome is astonishingly complex and dynamic, with genes constantly turning on or off, depending on what biochemical signals they...

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That noise coming from your knees can be unnerving. But unless it is accompanied by pain, discomfort or swelling, there is no need to worry about it, said Dr. Michael Stuart, a professor of orthopedic surgery and co-director of sports medicine at the Mayo Clinic.The crackling or popping sound you hear is known as crepitus. In some cases, it may be nothing more than bubbles of gas popping in your joints. It can also result from the cartilage in your knees losing their smoothness, causing bones and tissue to rub together noisily when you bend your legs.“Crepitus is extremely common,”...

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In the U.S. some five million people have Alzheimer’s disease and 10 million boomers will be at risk for memory problems over their lifetime. Worldwide, more than 100 million people may have Alzheimer’s by the year 2050. As clinicians, we have learned to recognize that jokes about “old-timer’s disease” and “Teflon brain” are often calls for help from seniors worried about their memory lapses. Living longer is obviously no fun if you cannot remember your home address or drive a car. Although we have made tremendous progress in understanding brain changes that accompany aging and dementia, no medications have proven...

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Who am I and why should you listen to me? I will try and keep this short as I could probably write a book about myself.Firstly, I am not someone who goes around telling everyone about myself. I am a silent achiever and tend to play dumb when people carry on about how much they know, when in fact they know very little. I give advice and offer my knowledge where I see it is needed and then its up to the individual whether they listen to me or not.For many people i am just a stupid bodybuilder. Sadly this...

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