WASHINGTON - How often you exercise, for how long, and what kind of movement you choose can all shape your health outcomes.

DEAR DR. ROACH: My wife, who’s 66, walks two miles every morning at a moderate pace. I’m 75 and ride an exercise bike at a moderate speed for 10 minutes per day. Which is more beneficial for overall ...

You may not need hours at the gym to boost your health after all. Researchers say just 30 minutes of high-intensity exercise ...

DEAR DR. ROACH: My wife, who’s 66, walks two miles every morning at a moderate pace. I’m 75 and ride an exercise bike at a moderate speed for 10 minutes per day. Which is more beneficial for overall ...

Dear A.: I’m going to say your wife’s regimen is the more beneficial. The primary way to look at exercise benefit is by how much exercise you do, and that means how much time you spend exercising and ...