what is it in spicy foods that create that 'hot' feeling?

I've heard that spicy foods cause heartburn and I've also heard that it is caused by not enough acid. Which is the truth?

Why do people brag about how they can handle spicy foods because of where they're from? Does that really matter? just because...

What do they eat in egypt?

Where can I buy british food in san francisco?

What happends to your stoamach when you eat a lot of fast food and greasy foods?

I was told by the er doctor to keep some snacks and foods in the house to grab and eat when feeling faint that are loaded wit...

I want to now if your stomach digesting your food .

What food can I take camping? A list, please? How could I take anything spicy? Thank you (: X

I'm trying to lose some weight,so,what foods should I avoid? Thanks. :T

Lemon hot cheetos or regular??