Cohort Studyhigh evidence
Stimulant medications affect arousal and reward, not attention networks.
Cell·December 24, 2025·PMID 41448140
Why it mattersIt challenges the common belief that stimulants primarily boost attention, instead showing they modulate arousal and reward systems. This reframes how clinicians understand and communicate the effects of stimulant medications to patients.

The papers that matter, first.
MedLit ranks the medical literature into a specialty feed with concise summaries, evidence-aware triage, and visual takeaways.
§
MedLit · Evidence, Distilled