Humans
- Neuroscience
Alzheimer’s blood tests are getting better, but still have a ways to go
Blood biomarker tests could help doctors know if a person's cognitive symptoms are due to Alzheimer's or something else.
- Anthropology
An Egyptian mummy’s silent ‘scream’ might have been fixed at death
A rare muscle-stiffening reaction could explain the open-mouthed expression of a mummy known as the Screaming Woman, scientists suggest.
- Health & Medicine
The CDC has tightened rabies regulations for imported dogs. Here’s why
Dog rabies was eliminated in the United States in 2007. The new rules on bringing dogs into the country aim to keep it that way.
- Health & Medicine
Some ‘forever chemicals’ may be absorbed through our skin
PFAS, which are found in common products such as cosmetics, food packaging and waterproof gear, have been linked to health problems.
- Health & Medicine
Stopping cachexia at its source could reverse wasting from cancer
The immune protein interleukin-6 helps regulate body weight. Blocking it in the brain could restore appetite and muscle mass, a study in mice hints.
- Health & Medicine
Getting drugs into the brain is hard. Maybe a parasite can do the job
Researchers want to harness the parasite that causes toxoplasmosis to ferry drugs, but some question if the risks can be eliminated.
- Health & Medicine
A new algae-based menstrual pad could stop leaks
By turning period blood into a gel, the pad’s alginate powder filler reduces leakage.
- Health & Medicine
Sepsis tests take days, putting patients at risk. A new method may cut wait time
A faster way to figure out what bacteria is causing a potentially deadly bloodstream infection could let doctors treat it more quickly and efficiently.
- Health & Medicine
HIV prevention may only require two injections per year
There were no new HIV infections among adolescent girls and young women taking a new PrEP formulation, a twice-yearly shot of the drug lenacapavir.
- Health & Medicine
Some melanoma cancer cells may punch their way through the body
A new study clarifies how melanoma cells use cell membrane protrusions called “blebs” to burrow through tissue.
- Health & Medicine
How to stay healthy during the COVID-19 summertime surge
Infections peak in the summer and winter. Up-to-date vaccinations, testing and masking can slow the spread.
- Health & Medicine
The odds of developing long COVID dropped as the coronavirus evolved
As different coronavirus variants took center stage during the pandemic, the chances of developing long COVID fell, especially for vaccinated people.
