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Is cannabis safe after 65? Stanford experts reveal 5 risks older adults should know

As cannabis use grows among older Americans, Stanford Medicine experts are warning that today's marijuana products are far more powerful…

6 days ago

Scientists discover hidden chemical signature that could reveal alien life

For decades, scientists searching for life beyond Earth have focused on one central challenge: identifying the right molecules to look…

1 week ago

Brain scans reveal a shocking difference between psychopaths and other people

Neuroscientists have identified a measurable brain difference between people with psychopathic traits and those with few or none. In a…

1 week ago

Scientists reveal the best exercise for knee arthritis pain relief

A large study published in The BMJ suggests that aerobic activities such as walking, cycling, and swimming are the most…

3 weeks ago

Scientists finally reveal how this Alzheimer’s drug really works

Lecanemab, marketed as Leqembi, is a monoclonal antibody treatment for Alzheimer's disease that targets and removes harmful amyloid plaques while…

2 months ago

Textbooks were wrong: Scientists reveal the surprising way human hair really grows

New research suggests human hair does not grow by being pushed out from the root as long believed. Instead, scientists…

2 months ago

2700-year-old teeth reveal the hidden lives of Iron Age Italians

Teeth can hold remarkable clues about how people lived thousands of years ago. A new study published in the open…

3 months ago

Scientists reveal why human language isn’t like computer code

Human language is remarkably rich and intricate. Yet from the standpoint of information theory, the same ideas could theoretically be…

3 months ago

Scientists reveal how exercise protects the brain from Alzheimer’s

Researchers at UC San Francisco have identified a biological process that may explain why exercise sharpens thinking and memory. Their…

3 months ago

These 773,000-year-old fossils may reveal our shared human ancestor

Perfectly timed fossils from Morocco reveal a forgotten African population living near the very root of the human family tree.…

3 months ago