Universities meet growing demand with Weed 101

Cat Packer will lay the legal foundation for how the United States' second-largest city handles marijuana. But it wasn't until three years ago that she even knew what she wanted to do professionally.

Why 420?

April 20, or 4/20, is known as "Weed Day" in some circles because the date corresponds with a numerical code for marijuana, CNN reported. But why does 420 represent smoking pot?

Why does smoking pot give you the munchies?

If you smoke or eat pot, you might have encountered the "marijuana munchies," or the desire for salty, sweet or fatty carbohydrate-rich foods when using the drug.