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Today — 15 December 2025Main stream

A Powerful New Drug Is Creating a ‘Withdrawal Crisis’ in Philadelphia

15 December 2025 at 18:00
Medetomidine, a veterinary sedative mixed into fentanyl, has sent thousands to hospitals, not only for overdose but for life-threatening withdrawal. It is spreading to other cities.

© Hannah Yoon for The New York Times

The Temple University Hospital emergency entrance.
Before yesterdayMain stream

Risk-Based Screening Works as Well as Yearly Checks After 40 in Finding Breast Cancers

13 December 2025 at 10:06
A study of more than 45,000 women found that screening women according to their level of risk was as effective in detecting tumors as the one-size-fits-most screening currently recommended.

© Marcelo Del Pozo/Reuters

A breast cancer awareness event in Seville, Spain, in October.

Review of Medical Cannabis Use Finds Little Evidence of Benefit

12 December 2025 at 18:01
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.

© 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.
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