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 ...

New options for testing and treating some of the most common sexually transmitted diseases are becoming available ...

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 ...

While none of the free COVID-19 tests being shipped by the U.S. Postal Service this year will have already expired, officials acknowledge many now arriving in mailboxes will likely see their shelf ...

The Hormometer is an at-home test that lets you measure cortisol and progesterone levels. The Hormometer is an at-home test that lets you measure cortisol and progesterone levels. is a senior reporter ...

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...

Though my cortisol test results stressed me out, I'm glad I know more about how cortisol affects my health. Anna Gragert (she/her/hers) was previously the lifestyle editor at HelloGiggles, deputy ...