Think

When Abortion Pills Were Banned in Brazil, Women Turned to Drug Traffickers

Britain Declares National Incident After Poliovirus Found in London

F.D.A. Set to Propose Lower Nicotine Levels in Cigarettes

The C.D.C. recommends vaccinations of young children.

Tattoo Artists Face a Grayer Palette in Europe

Not Just for the Birds: Avian Influenza Is Also Felling Wild Mammals

New Experimental Therapy for A.L.S. Approved in Canada

Ivermectin Does Not Shorten Recovery Time From Covid, Study Finds

A new study is the first to document likely cat-to-human virus transmission, but risks are low overall, experts say.

C.D.C. Dismisses Airborne Transmission of Monkeypox. Some Experts Disagree.

Blood Tests That Detect Cancers Create Risks for Those Who Use Them

Even with federal funds, U.S. schools still rely on low-cost methods to slow Covid, a study shows.

F.D.A. advisers will weigh in on Covid shots by Novavax, a latecomer in the vaccine race.

In Older Americans, Rising Debt May Adversely Affect Health

21 Americans Infected With Monkeypox, C.D.C. Reports