MEMPHIS, Tenn. - There's a Heat Advisory through Tuesday evening.

MEMPHIS, Tenn. - There's a Heat Advisory for the Mid-South until Friday night.

Upper stomach pain can mean gas, indigestion, or stomach viruses. More severe causes can include appendicitis, gallstones, bowel obstruction, or peptic ulcers.

Learn about the causes of knee pain while bending your leg, as well as when to see a doctor, diagnosis, treatment, and prevention.