Q: Hey Erika, I’ve seen people at my gym using foam rollers all over the place. What exactly is their primary function? Is it stretching?

Lots of people have snarked – lovingly, I presume – that I “lost all that weight for nothing.” Today, I address that concern.

A documentary on body image and weight in the fashion industry, and a write-up from its creator.

Q: can you suggest any leg strengthening exercises that won’t hurt my knees? Any suggestions (other than lose weight) on how to save/strengthen my knees?