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.

Learn why apples rot, how to spot the signs they've spoiled, and how to properly store them to keep them fresh and safe.

"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 ...