Health & Wellness
Aircrews Show Highest Share of Radiation-Linked Cancer Deaths
Pilots and flight attendants spend much of their working lives high above the ground, where the atmosphere provides less protection from radiation arriving from...
Dirty Air May Damage Gums and Teeth
Air pollution is widely known for harming the lungs and heart, but new research suggests the damage may also reach the mouth.
Scientists in Brazil...
Your Gut May Turn Vegetables Into Protective Compounds
The trillions of bacteria living inside the human digestive system do much more than help break down food.
They operate almost like a tiny chemical...
Pacemaker Could Run on Heartbeats
Scientists at the University of Wisconsin–Madison have developed an experimental pacemaker that can collect energy from the beating heart instead of depending on a...
Common Bowl Disease May Affect More Than the Gut
Ulcerative colitis is usually thought of as a disease of the bowel. Yet a large study from the United States has found that people...
New Treatment May Repair Arteries in High Blood Pressure
High blood pressure is often described as a silent threat because people can feel perfectly well while damage slowly develops inside their bodies.
Researchers have...
Simple Ways to Protect Your Knees
Knee pain is extremely common, especially as people get older.
One of the most frequent causes is osteoarthritis, a condition that slowly changes the tissues...
How Smoking Damages Your Blood Vessels
A cigarette, an e-cigarette and a nicotine pouch look very different, but they can all deliver the same addictive chemical: nicotine.
A wide-ranging scientific review...
Cannabis Drug May Ease Severe PTSD Nightmares
Nightmares can be one of the most exhausting symptoms of post-traumatic stress disorder, or PTSD.
For some people, sleep becomes a time when frightening memories...
Virtual Reality May Help Restore the Stroke-Affected Hand
Many people survive a stroke but continue to struggle with an arm or hand that does not work as it once did.
A new rehabilitation...
New Obesity Treatment Burns More Energy Instead of Cutting Appetite
Powerful weight-loss medicines have changed the treatment of obesity and type 2 diabetes in only a few years.
Drugs such as Ozempic, Wegovy, Mounjaro and...
How to Stop Type 2 Diabetes Before It Starts
Type 2 diabetes usually does not appear suddenly. Changes in the way the body handles blood sugar can develop slowly over many years before...
Could Vitamin C Protect Brain Health in Older People?
Scientists have discovered another possible link between everyday nutrition and brain health.
In a new study led by Hirosaki University in Japan, older adults with...
Your Waist May Show Heart Risk Better Than BMI
For decades, body mass index, or BMI, has been one of the most common ways to classify people as having normal weight, overweight or...
Both Blood Pressure Numbers Matter to Heart Health
When someone checks your blood pressure, the result usually appears as two numbers, such as 120 over 80.
Many people pay most attention to the...
Week's Top
Brain Health
Why Exercise at Work May Not Protect the Brain
For years, exercise has been promoted as one of the best ways to protect the brain as people grow older.
But a large new study...
Screen Time May Boost Cognitive Function
Screens are often blamed for many problems in childhood, from poor sleep to less exercise. But new research from Finland suggests the picture may...
Virtual Reality May Help Restore the Stroke-Affected Hand
Many people survive a stroke but continue to struggle with an arm or hand that does not work as it once did.
A new rehabilitation...
Preventing Brain Injuries Starts Before the Hospital
Traumatic brain injuries kill millions of people around the world and leave many more with long-term disability.
Doctors can sometimes save lives with surgery and...
Alzheimer’s Brain Changes May Start Years Earlier
Alzheimer’s disease may begin changing the brain years earlier than doctors have been able to see with standard scans.
A new study from the University...