My wife's grandmother lives in Belgrade, Serbia. She is 91 and still vacations in the mountains. She has knee pain, but it bothers her mostly after walking up three flights of stairs to her apartment. What is her secret? She lives well, keeps a positive attitude, exercises regularly, and eats an anti-inflammatory diet. And, by the way, she eats lots and lots of sour cherries. Her legendary sour cherry pita is one of my favorites.
Cherries have been a...

