Non-invasive electrical stimulation for sleep disturbances in adults: protocol for an evidence−mapping umbrella review of systematic reviews and meta−analyses with subgroup analysis by intervention type and population

• by Jingyi Zhu, Yitong Lin, Yuanyuan Chen, Baixiao Zhao

• May 28, 2026

Postzoster Neuralgia Linked to Tinnitus

Nationwide cohort analysis finds higher tinnitus incidence during long-term follow-up among patients with postzoster neuralgia, particularly older patients and certain comorbidities.

• by Andrea Surnit

• March 31, 2026

• 3 min

The Loan Cap That Could Shrink the Doctor Pipeline

New federal limits on medical school borrowing may quietly reshape who becomes a physician—and where they practice.

• by Kerri Miller

• April 6, 2026

• 2 min

Activity, Sleep Tied to Dementia Risk

Meta-analysis links higher activity, less sitting, and 7 to 8 hours of sleep with lower incident dementia risk, though findings vary widely across studies.

• by Kathryn Wighton

• April 28, 2026

• 3 min