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In Mexico, Heat Waves Are Even Killing Younger Adults

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

You’re Due for a Colonoscopy, but What if You Don’t Want It?

After Your Death, Who Takes Care of the Dog?

‘Imminent Threat’ Found at Boar’s Head Plant 2 Years Before Fatal Listeria Outbreak

What’s in Your Fridge? Here Are Details About the Deli Meat Listeria Recall

A New Treatment for Severe Allergic Reactions — Without the Needle

Breast Cancer Survival Not Boosted by Double Mastectomy, Study Says

Study Suggests Waiting Longer Before Withdrawing Life Support

Patient Dies Weeks After Kidney Transplant From Genetically Modified Pig

C.D.C. Considers Ending 5-Day Isolation Period for Covid

Climate Change Drives New Cases of Malaria, Complicating Efforts to Fight the Disease

U.S. Life Expectancy Creeps Up as Covid Deaths Fall

Drug-Resistant Bacteria Tied to Eyedrops Can Spread Person to Person

AstraZeneca’s Covid Vaccine May Have Posed a Higher Heart Risk for Young Women, Study Shows

African Countries Made Huge Gains in Life Expectancy. Now That Could Be Erased.

For Many Older Americans, the Pandemic Is Not Over

Fentanyl Test Strips Highlight Rift in Nation’s Struggle to Combat Drug Deaths

Rise in Deaths Spurs Effort to Raise Alcohol Taxes

Don’t Blame Monkeys for Monkeypox, W.H.O. Says After Attacks