A sweeping review of nearly 100 studies has raised concerns about the mental health impacts of high-potency cannabis products. Researchers found strong links to psychosis, schizophrenia, and cannabis use disorder, while results for anxiety and depression were mixed and sometimes contradictory. Although the findings confirm that higher THC concentrations pose risks, the evidence still isn’t …

Stronger weed, higher risk? Potent THC linked to psychosis and addiction Read More »

A single RSV vaccine dose is proving to be a powerful shield for older adults, significantly reducing hospitalizations and severe illness over two consecutive RSV seasons. While protection is strongest in the first year and declines somewhat in the second, the findings highlight both the immediate benefits and the importance of ongoing monitoring. With RSV …

How long can one RSV shot protect seniors? Study shows surprising two-year shield Read More »

A sweeping new study reveals that humanity has already pushed 60% of Earth’s land outside its safe biosphere zone, with 38% in a high-risk state. By analyzing centuries of data, researchers mapped how human demands on biomass—from farming to energy production—have destabilized ecosystems worldwide. Europe, Asia, and North America show the deepest disruptions, reflecting centuries …

Earth’s safe zones are vanishing fast Read More »

A common hay fever nasal spray was found to cut COVID-19 infections by two-thirds in a clinical trial, while also reducing rhinovirus cases. Researchers believe it could serve as an easy, low-cost preventive measure, pending further studies. ​A common hay fever nasal spray was found to cut COVID-19 infections by two-thirds in a clinical trial, …

Common allergy spray slashes COVID-19 risk in surprising trial Read More »

A massive global study uncovered a striking paradox: even as total burned land has dropped by more than a quarter since 2002, human exposure to wildfires has skyrocketed. Africa accounts for a staggering 85% of these exposures, while California stands out as an extreme hotspot despite its relatively small share of burned land. Climate change …

Scientists uncover wildfire paradox that’s putting 440 million people in danger Read More »

Beta blockers, used for decades after heart attacks, provide no benefit for patients with preserved heart function, according to the REBOOT trial. The massive study also found women faced higher risks when taking the drug. Experts say the results will change heart treatment guidelines worldwide. ​Beta blockers, used for decades after heart attacks, provide no …

Common heart drug taken by millions found useless, possibly risky Read More »

Stanford researchers reveal meandering rivers existed long before plants, overturning textbook geology. Their findings suggest carbon-rich floodplains shaped climate for billions of years. ​Stanford researchers reveal meandering rivers existed long before plants, overturning textbook geology. Their findings suggest carbon-rich floodplains shaped climate for billions of years. Stanford researchers reveal meandering rivers existed long before plants, overturning …

Geologists got it wrong: Rivers didn’t need plants to meander Read More »