Health & Medicine
A bizarre video of eyeballs confirms our pupils shrink with age
Pupil size can decrease up to 0.4 millimeters per decade, hinting at why it can be increasingly harder for people to see in dim light as they age.
Health & Medicine
More Stories in Health & Medicine
- Climate
A heat dome is baking the United States. Here’s why that’s so dangerous
As climate change makes heat waves more frequent and intense, older adults, pregnant people and others are at higher risk for heat-related symptoms.
- Neuroscience
Pain may take different pathways in men and women
Sex differences in the function of nerve cells in mice, monkeys and humans suggest a new way to treat pain conditions.
- Health & Medicine
AI could take medical imaging to the next level
Artificial intelligence in medical imaging is taking off. Experts share what they see as the promise — and potential pitfalls — of AI technology.
- Health & Medicine
A malaria drug could be used to treat PCOS, a common hormone disorder
Artemisinin is known to be effective against malaria, lupus, cancer and now possibly polycystic ovarian syndrome.
- Health & Medicine
Long COVID finally gets a universal definition
If broadly adopted, this inclusive description of long COVID will help legitimize the ongoing struggles millions of people are facing post-infection.
- Health & Medicine
Gen X has higher cancer rates than their baby boomer parents
An unexplained uptick in cancer diagnoses among Gen Xers might be bad news for millennials and Gen Z.
- Health & Medicine
Can humans get chronic wasting disease from deer?
Tests on brain organoids suggest the disease-causing prions face a tough barrier to infect people, but ruling out transmission is a difficult task.
- Health & Medicine
Wildfire smoke may cause tens of thousands of premature deaths
A modeling study of California wildfires from 2008 through 2018 estimates that smoke exposure was responsible for as many as 55,700 premature deaths.
- Health & Medicine
Bird flu can infect cats. What does that mean for their people?
Pet owners can take precautions to avoid H5N1, such as keeping cats indoors and making sure they don’t eat raw meat or milk.
