Health & Medicine
- Health & Medicine
‘Smart underwear’ measures how often humans fart
“Zen digesters” rarely fart. “Hydrogen hyperproducers” fart a lot. Scientists are investigating what is typical.
- Health & Medicine
How does early pregnancy lower breast cancer risk? Odd cells could offer clues
Suspicious cells build up in mice that haven’t given birth, a new study finds. They could help explain a longstanding mystery of breast cancer biology.
- Health & Medicine
Over 40? Your rotator cuff probably looks a little rough
MRI scans of over 600 Finnish adults found that nearly all had frayed, torn or otherwise abnormal rotator cuffs — yet most had no symptoms.
- Health & Medicine
Simulations of your gut may predict which probiotics will stick
A “digital gut” predicted which probiotics and high‑fiber diets would take hold in people's guts and produce healthier outcomes.
- Health & Medicine
A rising percentage of U.S. teens aren’t getting enough sleep
Teens need eight to 10 hours of sleep each night. A large majority get less than that, according to a national survey of U.S. high school students.
- Anthropology
Mosquitoes began biting humans more than a million years ago
A DNA analysis suggests mosquitoes shifted from nonhuman primates to early humans nearly 2 million years ago.
- Health & Medicine
Can you trust the results from gut microbiome tests? Maybe not
Seven firms reported inconsistent results on the same sample, some over multiple tests. These gut microbe discrepancies could have health consequences.
- Life
An African monkey ate a rope squirrel and came down with mpox
Fecal analyses and necropsies suggest a fire-footed rope squirrel was the source of a 2023 mpox outbreak among sooty mangabeys in Côte d’Ivoire.
- Health & Medicine
A lab on wheels is tracking HIV spread in war-torn Ukraine
During a test drive, the mobile lab van uncovered a drug-resistant HIV strain that sprung up after the ongoing war with Russia started.
- Health & Medicine
This itch-triggering protein also sends signals to stop scratching
The TRPV4 protein’s dual nature, found in studies with mice, may complicate the hunt for human itch treatments
- Health & Medicine
Meds like Ozempic could ease arthritis
A study in mice and people with osteoarthritis suggests semaglutide can bulk up cartilage between bones, though bigger trials are needed to confirm.
- Science & Society
Project Hail Mary made us wonder how to survive a trip to interstellar space
We can take some clues from hibernation and cryogenics, but humans aren't yet built for that kind of deep sleep.
