Bonus: You probably have the necessary gear in your closet right now.
If running's in your New Year's resolutions, this is for you.
“It [creates] an amazing cascade of physiology that we can find almost any day and is very good for you,”
A new study put a number on it.
Here's what an expert thinks of the research.
Experts have put a number on it.
The guidelines change as you get older.
I spoke to an expert about what was really going on.
It changed how I think about my breath forever.
No, it's not just something you need to put up with.