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Received yesterday β€” 12 December 2025

Review of Medical Cannabis Use Finds Little Evidence of Benefit

12 December 2025 at 05:01
Researchers found a chasm between the health reasons for which the public seeks out cannabis and what gold-standard science actually shows about its effectiveness.

Β© Mohamed Sadek for The New York Times

Addiction experts, who studied hundreds of clinical trials, guidelines and surveys conducted over 15 years, found a gulf between how the public perceives cannabis and what gold-standard science shows.
Received before yesterday

Inside RFK Jr.’s Methodical Quest to Shake Up America’s Vaccine System

The health secretary has walled himself off from government scientists and empowered fellow activists to pursue his vaccine agenda.

Β© Haiyun Jiang/The New York Times

Robert F. Kennedy Jr., the health secretary, conferring with Hannah Anderson, then one of his top advisers, during a hearing in May.

Study Finds Mental Health Benefit to One-Week Social Media Break

24 November 2025 at 11:00
Young adults who engaged in a social media β€œdetox” reported reductions in depression, anxiety and insomnia, though it was unclear how long the effects would last.

Β© Bee Trofort for The New York Times

On average, symptoms of anxiety dropped by 16.1 percent; symptoms of depression by 24.8 percent; and symptoms of insomnia by 14.5 percent.

Nobel Prizes This Year Offer Three Cheers for Slow Science

9 October 2025 at 18:35
The scientific Nobels announced this week β€” in Physiology or Medicine, Physics and Chemistry β€” honored achievements rooted in fundamental research from decades ago.

Β© Asanka Brendon Ratnayake/Associated Press

Richard Robson, left, one of the winners of this year’s Nobel Prize for Chemistry, with a student at the University of Melbourne. He and his co-laureates were recognized for work derived from experiments that began in the 1980s.
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