Dr. Karent Sierra

Cosmetic dentist Dr. Karent Sierra says signs of oral cancer often appear on the lips, the inner cheek and on the back of the tongue.

The Doctors help diagnose your body’s most mysterious lumps and bumps. Learn the warning signs of eye, brain and oral cancer. Plus, it’s an unsightly growth that can mimic melanoma, and most people will develop it in their lifetime. Find out what it is an

Strange-looking lumps and bumps on your skin or in your mouth can be scary if you don't know what they are. The Doctors identify different types of lumps and bumps you might find and explain whether you should be worried about them and how to get rid...

Cheryl has smoked for 30 years, and she's concerned about a sore on her gums. She said she's never thought about the possibility of oral cancer until now. E.R. physician Dr. Travis Stork challenges Cheryl to stop smoking.

E.R. physician Dr. Travis Stork explains that smoking can damage DNA, and that’s why people who smoke are at a higher risk of cancer. Other high-risk behaviors for oral cancer are chewing smokeless tobacco and drinking excessive amounts of alcohol.

Black, hairy tongue is a temporary, harmless, painless oral condition that gives your tongue a dark, furry appearance. Learn what causes the condition and what you can do to prevent it.

From ingrown hairs “down there” to erections at the WRONG time, get answers to questions you’re too afraid to ask. Then, hear how "American Idol" judge Randy Jackson changed his tune after being diagnosed with Type 2 diabetes. Plus, The Doctors reveal the