Health & Medicine
- Health & Medicine
Explainer: The body’s immune system
An army of cells — and their protein arsenal — work to keep us safe. Several squads of special forces possess unique superpowers to disable or kill intruders.
- Psychology
Addiction can develop when reward-seeking changes a teen’s brain
Over time, the pleasure disappears and craving grows. That craving causes stress that can drive people to use drugs or pursue unhealthy behaviors again and again.
- Health & Medicine
Here’s how a new sleeping bag could protect astronauts’ eyesight
A new sleeping bag could avoid vision problems on long space flights due to microgravity. It counters a fluid buildup behind astronauts’ eyes.
- Humans
Explainer: How loud is too loud?
Loud sounds, be it music or noise, might seem like no big deal at the time. But permanent damage can occur without noticeable warning signs.
- Health & Medicine
Let’s learn about snot
For humans, snot plays a key role in fighting off diseases. Other animals have found different uses for the slimy stuff.
- Tech
Someday soon, smartwatches may know you’re sick before you do
Such an early detection of flu-like infections could tell you when to avoid others to limit the spread of disease.
- Brain
Concussion patients should avoid screen time for first two days
Teens may find it hard to avoid screen time, but data from a new study suggest it can speed their recovery.
- Psychology
Psychology shines light on the harm racism can do
All forms of racism are harmful. Research sheds new light on the biases behind racism and the many ways it can affect our mental health.
- Health & Medicine
What to know as Pfizer’s COVID-19 vaccine rolls out for kids under 12
After a trial in which no unusual side effects were reported, and approval by the FDA and CDC, kids ages 5 to 11 will be able to receive the COVID-19 vaccine.
- Brain
It doesn’t take a concussion for head hits to harm young brains
Most head impacts while playing football do not cause concussions. Yet even lesser impacts take a toll in young athletes, scans of their brains show.
- Health & Medicine
Gender-affirming care improves the mental health of transgender youth
Several states have tried to restrict access to gender-affirming health care for transgender youth. That goes against medical guidelines.
- Health & Medicine
A single vape session can harm immune cells in the body
Vaping creates molecules in the body that can attack cells and cause damage.
