Even a little weight loss makes big difference for knee pain

Dr, James Ricos, a Beaumont orthopedic surgeon, said there are things to watch out for.

"Shoe wear, got to make sure your shoes are up to date, you don't want to use old shoes," Ricos said. 

The doctor says make sure you're measuring your foot before buying new shoes, but most of us don't need to go to a very expensive specialty store - to get shoes that fit well.