Sarah admits to a chronic picking problem—she can't keep her hands off pimples. "I am obsessed with picking zits or blemishes on myself or my husband or my children," she says. "I can't let it go."

Dr. Oz says this is extremely common. "One in five women chronically will pick [pimples]," he says. "It's part of that natural deep desire to groom each other."

Still, there's a right way and a wrong way to pop a zit. "Never squeeze a pimple," he says. "You're destroying all the tissue around [it]."

Watch Dr. Oz demonstrate the right way to zap a zit