How does that old Almond Joy commercial go? Sometimes you feel like a nut, sometimes you don't. Yes, that's the one. But wait, what is a tree nut? Sometimes it's not always clear what distinguishes an ...

I know several people that say they have a "tree nut allergy." They are not as far as I know allergic to peanuts. Can that be a real thing or more specifically a *single* real thing? I know they ...