Most people have been brushing their teeth wrong their whole lives. Are you one of them? Dr. Jonathan B. Levine explains why there's no shortcut for healthy teeth and gums.

View Part 2 of Brush Your Teeth Perfectly.

Watch a web exclusive video of Dr. Levine.

Dr. Levine answers your top questions.

100-Calorie Spicy Potato Chip Recipe

You don't have to resist this low-calorie snack!

The Dish at Home gives you a snack you don't have to resist with these low-calorie spicy potato chips.