A sweeping review of nearly 100 studies has raised concerns about the mental health impacts of high-potency cannabis products ...

Once a universal feature of human psychology, the “unhappiness hump” in midlife has disappeared, replaced by a new trend: mental health is worst in youth and improves with age. Data from the U.S., U.K ...

Fossilized bones in Brazil reveal that deadly infections plagued sauropods 80 million years ago. Researchers uncovered unhealed lesions consistent with osteomyelitis, pointing to pathogens spread ...

A single RSV vaccine dose is proving to be a powerful shield for older adults, significantly reducing hospitalizations and ...

Japanese scientists have developed ADRIANA, a non-opioid painkiller that could provide powerful relief without the dangers of addiction. With successful trials already completed, large U.S. studies ...

A new study projects that the Atlantic Meridional Overturning Circulation (AMOC)—the system of currents that includes the Gulf Stream—could shut down after 2100 under high-emission scenarios. This ...

Scientists are racing to improve weight loss treatments beyond drugs like Ozempic and Wegovy, which are effective but plagued by nausea, bone loss, and weight regain. Tufts University chemists have ...

Researchers have uncovered why smell often fades early in Alzheimer’s: the brain’s immune cells dismantle key nerve connections between the olfactory bulb and brainstem. Membrane changes in neurons ...