Medical tests can save lives. So how do doctors decide who gets tested, and when?

When researchers analyzed which day of the week most F.D.A. drug-safety alerts are released — and what it means for public health — they were stunned. So, what can we do about the “Friday Effect?”

A small number of patients with multiple, chronic conditions use a lot of resources. Dr. Jeffrey Brenner found a way to identify and treat them. Could it reduce health care spending too?

When a hospital closes in a rural area, it’s a big deal. But are all patients affected equally? We look at new research on the unexpected outcomes of traveling farther for care.

Promising drugs keep failing in trials. Allegations of fraud have cast a shadow over the field. An expert explains why Alzheimer’s treatments have been so hard to find — and why one clue may lie in the Andes Mountains.

Beyond the immediate casualties, school shootings have costs — for survivors, and for the rest of us.

Hospitals compete for prime spots on the U.S. News rankings — but could those lists be doing more harm than good? 

Our cognitive health can change as we get older. So, does leaving the workforce make problems like memory loss and difficulty focusing worse? We investigate the research, and Bapu asks: is it time for his dad to retire?

Chronic fatigue syndrome looks remarkably similar to Long Covid, but has been ignored by the medical community. Could patients finally get some answers to their debilitating illness?

Learning requires practice — and if you visit a teaching hospital in July, there’s a good chance your doctor hasn’t had much of it. So, will your care suffer? The dean of a medical school, an economist, and a hospital administrator help Bapu Jena find out.