Eating the whole apple—including the core and seeds—is safe for most people, but seeds are the primary concern. Apple seeds contain amygdalin, which can release small amounts of cyanide when digested.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A 2015 study found that daily apple eaters didn’t visit doctors less Apples provide fiber, vitamin C, and ...

You’ve probably heard the old saying, "An apple a day keeps the doctor away." But is there any truth behind this familiar advice, or is it just a catchy rhyme passed down through generations? We've ...