Wine: It’s one of America’s guiltiest pleasures, to the tune of 789 million gallons per year in 2016, according to The Wine Institute. But there are plenty of ways wine can be good for you, including one way that is so good for your mouth, that glass of red has become less guilty and more pleasure.

We all have bad habits - whether you are a perpetual knuckle-cracker, a hair-twirler or a smoker, some habits are worse for you (and harder to stop) than others. But one habit in particular – nail-biting – could be a lot worse for you than you realize. Here’s why you should stop nail-biting right now for the health of your smile.

Does your morning coffee make you wince in pain, or your sundae make you want to scream?  You may be among the one in eight American adults with sensitive teeth. Sensitive teeth are caused when the tooth enamel erodes, exposing the bony tissue beneath it. Known as dentin, this bony tissue is full of microscopic, hollow tubes that connect to the nerve endings in your teeth. When exposed to hot or cold foods, those nerves can cause a sharp, painful reaction.