oral fixation

  • A Real Nail-Biter

    Sigmund Freud considered nail biting a sign of oral fixation. But aside from messing up your psyche, is gnawing your nails really that bad for you? Yes, says Elizabeth K. Hale, MD, clinical associate professor of dermatology at New York University. “Not only can you transmit viruses between your mouth and hands, but if you break the skin, it’s more prone to infection.”

    By Vicky Uhland