Sure, you could spend the rest of the day looking at normal funny pictures of people. Buy why live in that bliss when you could enjoy (?) these epic face swap pictures instead?! These disturbing face swaps may give you nightmares, but that doesn't mean you should ignore them. Recent Internet studies have (probably) shown that looking at crazy photos of face swaps is good for your health - your heart rate is sure to skyrocket from all the laughing and/or screaming you'll be doing.From celebs who got swapped with their on-screen acting partners to regular Joe's who switched faces with animals, objects, and food, check out the funniest face swaps we could find. Vote up the ones you find most terrifying!