Trisomy 18 Was Once Seen as Too Lethal to Treat. Some Kids Are Now Surviving.

Trisomy 18 is normally fatal within weeks of birth. But some parents are getting more time — with surgeries, luck and an incredible amount of effort.

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Hand, Foot and Mouth Disease Is Spreading Again This Summer

Here’s what to know about symptoms and treatment of the infection.

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Medical Societies Sue Kennedy and H.H.S. Over Vaccine Advice

New restrictions on Covid shots run counter to scientific evidence, the groups said.

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What Has Medical Research Found on Gender Treatments for Trans Youth?

The Supreme Court cited the uncertainty in the scientific evidence.

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How Florida’s Attempt to Let Teens Sleep Longer Fell Apart

After lawmakers required high schools to start no earlier than 8:30 a.m., school administrators complained that it was unworkable. Last month, Gov. Ron DeSantis signed a repeal.

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Federal Report Denounces Gender Treatments for Adolescents

The H.H.S. review may set the stage for additional restrictions on gender-affirming care. Critics described it as an ideological statement.

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Would Schools Close in a Future Pandemic?

Five years after the global Covid pandemic was declared, there is widespread agreement that closing classrooms was devastating for children. Here is what leaders say they may do next time.

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Research Finds Vaccines Are Not Behind the Rise in Autism. So What Is?

There is no one factor that causes autism — or explains its growing prevalence. Researchers are seeking explanations for the surge. Here are some possibilities.

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