Even if you exercise every day — whether that’s at home, at the gym, or taking your dog for walks — you might not be getting as much physical activity as you think you are. The World Health ...

Q: 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 health? – A. A ...

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 ...