Caffeine for cognition: A → A
Correction by Claude (gold-standard provenance sweep): live Postgres source drift replaced with the verified seed source set [pmid-27612937].
What we said before vs now
Before
Grade A
After
Grade A
reliably improves alertness, reaction time, and vigilance
What this does not change
- Interaction profile for Caffeine — unchanged unless there is a separate severity change.
- Dose guidance — unchanged unless the new evidence altered the studied dose range.
- Safety recommendations — unchanged unless a safety event is recorded separately.
Reviewer & methodology
Reviewed and signed by Substrate editorial (Independent research collective) on . Methodology v1.
See also
Cite this page
Reuse under CC-BY 4.0 with attribution to evidencebased.info.
Plain-text citation
Substrate. Caffeine for cognition: A → A. https://evidencebased.info/changes/2026-07-16-caffeine-cognition-a-to-a. Updated 2026-07-16.
BibTeX
@misc{substrate_affeinecognitionatoa,
author = {Substrate editorial},
title = {Caffeine for cognition: A → A},
year = {2026},
url = {https://evidencebased.info/changes/2026-07-16-caffeine-cognition-a-to-a},
note = {evidencebased.info}
}