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Men are losing a key chromosome with age and it may be deadly
As men get older, something surprising can happen inside their bodies at the microscopic level. Some of their cells begin to lose the Y...
Two strokes at 50 changed his life. Now this retired veterinarian helps other survivors...
Brent Calhoun woke up with what felt like a migraine. He recognized the sensation, having experienced migraines a few times a year for more...
This common vaccine vaccine may heart disease risk nearly in half
Heart disease is one of the leading causes of death worldwide. It often develops slowly over time as fatty deposits build up in the...
Gum disease may trigger breast cancer growth and spread
Breast cancer is one of the most common cancers in women around the world. Doctors have long known that many factors can affect the...
Your sleeping brain may reveal dementia risk years early
A new study suggests that the way our brain behaves during sleep may reveal early signs of dementia risk, long before symptoms appear.
Researchers from...
A twice-yearly injection could replace daily blood pressure pills
High blood pressure is one of the most common health problems in the world. It affects millions of people and is often called a...
This zero-calorie sweetener can help treat pancreatic cancer
Stevia is widely known as a natural, zero-calorie sweetener used in foods and drinks around the world. But new research suggests that this plant...
Why many people refuse life-saving cholesterol drugs
Heart disease remains the leading cause of death around the world. In the United States, it is responsible for a death every few seconds,...
Hidden leg pain could signal a dangerous artery disease
Peripheral artery disease, often called PAD, is a health condition that affects blood flow in the body, especially to the legs. It happens when...
Study finds how to reverse Parkinson’s disease
Parkinson’s disease is a long-term brain condition that affects movement, thinking, and mood. It happens when certain brain cells, especially those that produce a...
Can some older adults safely stop blood pressure drugs?
High blood pressure is a very common condition, especially among older adults. It increases the risk of serious health problems such as heart attacks...
Common blood pressure drugs linked to dangerous eye disease
A new study has raised a possible concern about a group of widely used blood pressure medicines known as calcium channel blockers, or CCBs.
These...
Why more non-smokers are getting lung cancer
Lung cancer has long been seen as a disease mainly caused by smoking. However, doctors are now noticing a worrying pattern: more people who...
Warning signs of late-stage liver failure you should never ignore
The liver is one of the most important organs in the human body. It plays many key roles that keep us healthy every day.
It...
These everyday foods could be hurting your kidneys without you realizing it
Your kidneys are small but very important organs in your body. They work all day to clean your blood, remove waste, control fluid levels,...
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Scientists build AI chip powered by light instead of electricity
Scientists in Australia have developed a tiny artificial intelligence chip that performs calculations using light instead of electricity.
The experimental device, created by researchers at...
Why subway systems are getting hotter—and why commuters are feeling it
For many commuters, stepping into a subway station means stepping into a wave of heat.
A new study suggests that this uncomfortable experience is not...
Smartphone therapy could help adults living with ADHD
A new scientific study suggests that a digital therapy program delivered through a smartphone or computer may help adults with attention-deficit hyperactivity disorder, commonly...
Astronomers discover alcohol-rich interstellar comet passing through our solar system
Astronomers studying a rare interstellar comet have discovered something surprising: it contains unusually large amounts of methanol, a type of alcohol.
The discovery offers a...
The Sun has a heartbeat
Think you know the Sun?
You glance up on a clear day, feel the warmth on your face, and it seems reassuringly constant. Same star,...