As Bird Flu Spreads, Two New Cases Diagnosed in California
Both patients were dairy workers whose illnesses were mild. Investigators are continuing to evaluate the contacts of a Missouri patient who had no exposure to animals.
The War in Darkness
Sonya Liakh was diagnosed with eye cancer at age 2. After Russia’s invasion of Ukraine disrupted her treatment, her family faced a desperate struggle.
Stories of Marijuana’s Little-Known Harms: ‘It Took Over Everything’
A growing number of marijuana users in the U.S. are experiencing severe health problems like these.
Nighttime Depression Is a Real Thing
There are lots of reasons your mood might tank at night. Here’s how to address the bedtime blues.
As America’s Marijuana Use Grows, So Do the Risks
The drug, legal in much of the country, is widely seen as nonaddictive and safe. For some users, these assumptions are dangerously wrong.
What to Know About the Marburg Virus Disease Outbreak
In Rwanda, 11 deaths have been reported from this rare but deadly disease. Two people tested negative in Germany this week.
What to Know About Test Alternatives to Colonoscopies for Colon Cancer Screening
Doctors can provide alternative forms of screening for colon and rectal cancer but sometimes have a good reason to stick with the colonoscope.
Trump Promised to Release His Medical Records. He Still Won’t Do It.
If elected again, he would become the oldest president by the end of his term. Yet he is refusing to disclose even basic health information.
Gilead Agrees to Allow Generic Version of Groundbreaking H.I.V. Shot in Poor Countries
Many middle-income countries are left out of the deal, widening a gulf in access to critical medicines.
Officials Cast Doubt on a Dementia Drug, but Human Trials Continue
The S.E.C. alleged shortcomings in research said to support the drug, and its developer agreed to a $40 million settlement. Some experts wonder why clinical trials have not been stopped.