10 Nervous Habits That Hurt Your Health

Twirling your hair or biting your nails seem harmless, but tics can wreak havoc on your skin, teeth, and more.
bad-nervous-habit

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Nix these tics

by Linda Melone

Nervous habits are often more annoying to the people around you than to yourself, but some types of fidgeting and fussing can do real harm. Here, experts reveal the reasons why nail-biting, hair-twirling, and other seemingly harmless habits can be hazardous to your health.

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