Out of the Doghouse, Into the Bed
Researchers found that with a dog in the bedroom, both the humans and the dogs slept reasonably well.
Global Health: In Poor Countries, Antismoking Activists Face Threats and Violence
Killings, death threats and “wanted” posters are used to intimidate advocates fighting the spread of tobacco to poor and middle-income nations.
Update: Thinking of Going to Brazil? You Will Need a Yellow Fever Vaccination
The Centers for Disease Control and Prevention says that an outbreak of the virus means that travelers should get the vaccine before a trip.
The Checkup: Teens Are Sexting — Now What?
Experts say parents should acknowledge sexting as an aspect of teen relationships and include it in conversations about safety and respect.
Why Studying Gun Violence Matters
Why do so many Americans kill one another, and how can the violence be stopped? The C.D.C. quit studying these and other questions over 20 years ago.
Personal Health: Ignoring Science at Our Peril
History is filled with examples of scientifically sound guidance that was ignored by those in power.
The New Health Care: Do Antidepressants Work?
The most comprehensive study on them has recently been published, showing mostly modest effects.
Museums Fight the Isolation and Pain of Dementia
Using objects, narratives and technology, museums in Liverpool, England, are rekindling memories and making connections.
Oksana Masters’s Road From a Ukrainian Orphanage to Paralympic Stardom
Born with birth defects linked to the Chernobyl disaster, Masters is now set to compete in six events at her fourth Paralympics.
Ask Well: Can I Catch the Same Cold Twice?
The answer depends on the strength of your immune response.
Ask Your Doctor. Until Then, Here’s a Word From Our Sitcom.
Two decades ago, the F.D.A. paved the way for an explosion of prescription drug commercials. An episode of “black-ish” offered a worrying example.
Matter: How One Child’s Sickle Cell Mutation Helped Protect the World From Malaria
The genetic mutation arose 7,300 years ago in just one person in West Africa, scientists reported on Thursday. Its purpose: a shield against...