Michael J. Joyner

Michael J. Joyner

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.


Your Diet Is Going to Fail

The weight loss industrial complex keeps pumping out diets, but a new study suggests it's time to rethink our approach to eating

coffee poison health

Can Too Much Coffee Kill?

A new look into the numbers suggests that heavy coffee drinkers under 55 are more than twice as likely to die as their peers. Why you shouldn't be worried.

The Real Reason Athletes Dope

What if we're blaming the wrong people for doping? A new look into why athletes choose to dope raises serious questions about the fight against drugs in sport.

Stop Skipping Breakfast

Eat less to go faster? Not quite. Skipping breakfast may cause you to gain weight and live a shorter life.