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40,000-year-old symbols may be humanity’s first step toward writing
Long before the first known writing systems appeared in ancient Mesopotamia, early humans were already carving mysterious symbols into tools, ornaments, and sculptures.
A new...
AI chatbots may worse mental diseases
A new study has raised concerns about how artificial intelligence chatbots may affect people living with mental illness.
Researchers looked at electronic health records from...
Many older people given risky mental health drugs without official approval
A new large study from Finland has revealed that many older adults are being prescribed strong psychiatric medications for reasons not officially approved by...
Why less artery plaque does not mean lower heart risk for women
Heart disease is the leading cause of death for both men and women around the world. For many years, people believed that women were...
Heavy cannabis use may increase death risk in colon cancer
Colon cancer is one of the most common cancers in the world and a major cause of death. Doctors have made progress in early...
Why checking blood pressure at home could save your heart
Monitoring your blood pressure at home is one of the most important steps you can take to protect your health if you have hypertension,...
A way to help damaged brain cells recover in Parkinson’s
Scientists at Stanford Medicine have discovered a promising new approach that could help protect and possibly restore brain cells damaged by a form of...
A common childhood virus returns later in life — and may trigger heart attacks...
Shingles is a painful illness that many people recognize because of the burning rash it causes on the skin. It is caused by the...
Hidden chemical in everyday life may be raising Parkinson’s risk
A team of scientists from the University of Rochester and several other research centers has been studying a chemical called trichloroethylene, or TCE, and...
Popular diabetes drugs linked to dangerous flesh‑eating infection
A recent study by the U.S. Food and Drug Administration has raised serious concerns about a newer group of diabetes medications called SGLT2 inhibitors....
One cup of this simple vegetable a day could protect your heart
Heart disease is the leading cause of death worldwide, taking nearly 18 million lives each year. Many factors can raise the risk, such as...
Eating less of one nutrient may help you live longer
Scientists at the University of Wisconsin have made an interesting discovery that could change how we think about food and aging.
The research team, led...
These daily drugs may quietly harm your memory function
When you take medicine for problems like allergies, high blood pressure, or bladder trouble, you trust that it will help you feel better. Medicines...
How drinking coffee can affect your kidneys
Scientists are always searching for new ways to understand how the human body works, and a research team from the University of Toronto has...
Two common blood pressure drugs can both prevent heart attack, stroke
A large long-term study has provided new information about two widely used medications for high blood pressure, offering important guidance for both doctors and...
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The moon is still shrinking: New study reveals recent tectonic activity
For a long time, people imagined the moon as a quiet, frozen world where nothing much happens anymore.
But new research shows that the moon...
How screen time is hurting your head and neck
If you spend hours each day looking at a computer, tablet, or phone, you are not alone. Work, study, and entertainment now happen mostly...
Scientists solve major noise problems blocking quantum computing progress
Quantum computers promise to solve problems far beyond the reach of today’s machines, but building them is incredibly difficult.
One of the biggest challenges is...
Mysterious dinosaur-era shark is rewriting the family tree of modern sharks
A strange prehistoric shark that lived during the age of dinosaurs is giving scientists new clues about how modern sharks evolved — and raising...
A cosmic jellyfish from the early universe surprises astronomers
Astronomers using the James Webb Space Telescope have discovered the most distant “jellyfish galaxy” ever seen, offering a rare glimpse into how galaxies changed...