Dr. Karent Sierra

Juicing is the latest health craze, but is it more hype than healthy? Learn the risks and benefits. Then, tips outsmart your junk food cravings! Plus, whitening your teeth? Find out how long the results will last.

Food allergies, rashes, sensitive teeth – top specialists answer your biggest health questions. Plus, an easy-to-swallow camera capsule? Watch how the tiny pill-cam navigates your digestive system, and what it reveals on the way down.

E.R. physician Dr. Travis Stork is joined by a team of medical specialists to provide consultations and treatment options to patients with various health ailments.

Believe it or not, many adults still have baby teeth in their mouth, due to permanent teeth never developing. The cause is usually hereditary and can sometimes lead to uneven, crooked teeth. Dr. Karent Sierra, DDS explains dental procedures that can...

A Riverside, Calif., man has saved a fast-food hamburger he bought in 1999 for 14 years. Find out why he's kept it for so long.