Is There a Tampon Shortage? What You Need to Know
Supply chain issues have hit tampons, and inflation has driven up prices. Here’s why there’s a shortage — and what you can do if you run out.
Can Supplements Really Help With Depression or Anxiety?
Here’s what the evidence says about what works (and what doesn’t).
The Health Effects of Extreme Heat
When W. Larry Kenney, a professor of physiology at Pennsylvania State University, began studying how extreme heat harms humans, his research focused on workers inside the disaster-stricken Three Mile Island nuclear plant, where temperatures were as high as 165 degrees Fahrenheit. In the decades that followed, Dr. Kenney has looked at how heat stress affects…
They Were Cigarette Smokers. Then a Stroke Vanquished Their Addiction.
Taking a scan of an injured brain often produces a map of irretrievable losses, revealing spots where damage causes memory difficulties or tremors. But in rare cases, those scans can expose just the opposite: plots of brain regions where an injury miraculously relieves someone’s symptoms, offering clues about how doctors might accomplish the same. A…
New Experimental Therapy for A.L.S. Approved in Canada
It is generally illegal for Americans to import drugs that haven’t been approved in the U.S. for personal use. But the F.D.A. website lists some exceptions that might apply to Albrioza, including if the drug has no serious safety issues and if it is to treat “a serious condition for which effective treatment is not…
Ivermectin Has Little Effect on Recovery Time From Covid, Study Finds
The antiparasite drug ivermectin does not meaningfully reduce the time needed to recover from Covid, according to a large study posted online Sunday. It is the largest of several clinical trials to show that the drug, popular since the early pandemic as an alternative treatment, is not effective against the virus. The new trial, conducted…
Pfizer Vaccine Effective in Children Under 5, the F.D.A. Says
The Food and Drug Administration said on Sunday that three doses of the Pfizer-BioNTech coronavirus vaccine appeared to be effective in preventing Covid illness in children under 5, judging by the level of virus-blocking antibodies the shots induced. The agency’s evaluation was posted online ahead of Wednesday’s meeting of outside vaccine experts, summoned to recommend…
You Can Get Covid Again. Here’s What to Know About Reinfection.
If you’re one of the millions of Americans who have already had Covid-19, you may be wondering how long you will have immunity from the coronavirus. Earlier in the pandemic, most people assumed that getting infected had at least one upside: that you would be protected against future encounters with the virus. But as the…
What is Ramsay Hunt Syndrome? Justin Bieber’s Diagnosis, Explained
Justin Bieber announced that he had the rare facial condition. Here’s what you need to know about it.
Study Shows Case of Likely Cat-to-Human Virus Spread, but Risk Remains Low
A veterinarian in Thailand likely contracted the coronavirus from an infected pet cat last year, researchers concluded in a new study. It is the first documented case of suspected cat-to-human transmission, although experts stress that the risk of cats infecting humans with the virus remains low overall. One of the cat’s two owners, who both…