Feeling fine doesn't always mean you're healthy. Experts recommend a specific ‘6-test checklist’ every six months.

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...

The 6-minute walk test for chronic obstructive pulmonary disease (COPD) is a fast and noninvasive way to measure your heart and lung function. If you have COPD, this test helps your doctor understand ...