Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

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 ...

Starting Monday, American households can now apply to receive four free at-home COVID-19 tests from the U.S. government, though they might appear to be expired. Once again, the U.S. government is ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. These days, many people use at-home COVID-19 tests when they feel ill, rather than going out to get tested by a professional.

2025 update: This federal program has ended and free tests are not current available from the government website. Federal health officials have justified the millions they have spent on device ...

Maybe your interest in longevity is entrepreneurial, since one of the largest addressable markets is people who want to live longer, healthier lives. (I’ve never heard anyone say, “Yeah, I hope I ...