Four favorite varieties are packed with healthy reasons to cook with nuts.
"Yes, what about people with tree nut allergies? Are we out of luck and in bad health? What do peanuts offer? "
Pecans (19 halves, 193 calories per serving) contain more antioxidants—compounds that sweep up tissue-damaging free radicals—than any other tree nut, according to a study in the Journal of Agricultural and Food Chemistry. Pecans also provide notable amounts of zinc, a mineral most often found in animal-based foods.