Think

Alabama Woman Receives Nation’s Third Pig Kidney Transplant

Are Childhood Vaccines ‘Overloading’ the Immune System? No.

Six Childhood Scourges We’ve Forgotten About, Thanks to Vaccines

How to Talk to Your Teen About Pornography

In Mexico, Heat Waves Are Even Killing Younger Adults

New Weight Loss Drug From Amgen Shows Promising Early Results

So Many Days Lost at the Doctor’s Office

A.I. Chatbots Defeated Doctors at Diagnosing Illness

For Older Unmarried Couples, Caregiving Obligations Can Be Murky

He’s the F.D.A.’s Cancer Chief, Not a Fortune Teller

A Trans Researcher’s Pursuit of Better Data on Detransition

Why Heat Waves of the Future May Be Even Deadlier Than Believed

Life Without Sickle Cell Beckons Boy Who Completed Gene Therapy