Michael J. Joyner, M.D., is a physiologist and anesthesiologist at the Mayo Clinic and a leading voice in the world of exercise physiology. Over the past 25-plus years, he's published hundreds of studies, many of which have focused on how humans respond to exercise. Dr. Joyner also writes at Human Limits. The views expressed in his posts are his own and do not reflect those of his employer.
Sugar has become a trillion dollar health care problem. But are athletes at risk?
Can you lose weight just by downing a glass of water before dinner?
The formula to weight loss is simple: eat less and exercise more. So why are these simple things so impossibly hard to do?
Paleo diets are supposed to be bad for your endurance. What if they aren't?
Is there something special about the physiology of ultra-distance athletes and what can we learn from how they train?
A new record has been set in the marathon, edging us 15 seconds closer to the two-hour mark. Will we get any faster?
Exercise isn't enough. To remain healthy, you need to build athleticism. Here's how.
We're told to exercise to stay fit and healthy, but sometimes training routines turn deadly.
Not all celebrities are train wrecks. Sometimes, they're perfect examples of what we all should be doing to stay healthy and happy.
We know too much time spent on the couch is deadly, but what about the hours you spend in the saddle or on the trail? Is there really such thing as too much exercise?
Interval training is no longer the secret of the pros, but that doesn't mean you're doing it right
Forget about the wonder drugs. The elixir of youth and the "cure" to Alzheimer's and dementia may turn out to be exercise.
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