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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

New Weight Loss Drug From Amgen Shows Promising Early Results

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

Nobel Prize in Physiology or Medicine Is Awarded to Victor Ambros and Gary Ruvkun

That Message From Your Doctor? It May Have Been Drafted by A.I.

The Chatbot Will See You Now

Missouri Reports Bird Flu in a Patient Without a Known Risk

How U.S. Farms Could Start a Bird Flu Pandemic

A New Treatment for Severe Allergic Reactions — Without the Needle

How to Protect Your Mail-Order Prescriptions From Extreme Heat

Hot Summer Threatens Efficacy of Mail-Order Medications

F.D.A. Approves Blood Test for Colon Cancer Detection

In Constant Battle With Insurers, Doctors Reach for a Cudgel: A.I.

New Drug Approved for Early Alzheimer’s

How Does Bird Flu Spread in Cows? Experiment Yields Some ‘Good News.’

Milk Containing Bird-Flu Virus Can Sicken Mice, Study Finds

Environmental Changes Are Fueling Human, Animal and Plant Diseases, Study Finds