Teeth may be stained or discolored for a variety of reasons. If you want to make them brighter and whiter, you can do so safely. There are several options to choose from. You can visit your dentist ...

"The most common issue is nail fungus (onychomycosis)," says Dr. McEneaney. "This is typically the same fungus that causes athlete's foot. It's very transmittable and very easy to pick up walking ...