Brain & focus / coffee
coffee
Evidence for brain & focus, scored from the published research.
cognitive performance
possible risk39/100 Evidence ScoreConfidence: low1 study1 RCT
A possible adverse effect has been reported.
- 1 human study (18 participants total)
- Still unknown: few studies so far; few longer-duration studies
References (1)
- Acute caffeine administration impaired spatial working memory in habitual coffee/tea drinkers: A randomized, placebo-controlled, double-blind study.randomized controlled trial (RCT) · Clinical nutrition ESPEN · 2024
Evidence Scores are computed mechanically from the published research (PubMed / Semantic Scholar / OpenAlex): study design, participant numbers, and consistency across studies. An LLM is used only to extract study data, never to decide a score.
This is research-based information, not medical advice, and not a diagnosis. Consult a qualified professional about your own situation.