Using Urine Drug Testing to Track Xylazine-Fentanyl Copositivity in a Changing Drug Supply

• by Janet E. Childerhose

• July 9, 2026

Side Effects: The Hidden Variable

The partner in the next room, the hormone in the blister pack, the cat on the couch, the minute-long chair stand. Several new studies suggest the factor shaping outcomes may be the one clinicians aren’t routinely measuring.

• by Kerri Miller

• June 17, 2026

• 6 min

Knowledge, attitudes, and perception toward new psychoactive substances among Saudi university students: a cross-sectional study

• by Abdullah Al Hamid, Abdulrahman A. Alnijadi, Lujain Alrubaia, Lina Albraik, Mousa Alfaifi

• July 8, 2026

HHS Public Health Policy Actions Under the Trump Administration 2025-2026

• by Josh Michaud, Jennifer Kates

• June 30, 2026