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Open WellbeingWhat the studies actually measured

Mood, stress and thinking

Panax ginsengand Cognitive performance

Only one source here so far, and it found no clear difference in cognitive performance.

How sure anyone can be

Moderate certainty, level 3 of 4

Further research may change this.

The numbers reported

One source’s range, drawn against its own line of no difference and scaled to its own numbers.

-0.640.06 standardised effect size0.77

This range crosses the no-difference line, so these numbers fit a real difference and no difference at all equally well.

Bar the confidence interval — the range the true effect is likely to sit inNotch the number the source reportedLine where there would be no difference at all

One source, newest first

What we read is the published abstract, not the full paper, so a blank below may still be printed in the paper itself. A fixed rule worked this out from the source’s own fields. Nobody checked this rating by hand.

  • Systematic review, 2024 · 15 studies pooled

    Moderate certainty, level 3 of 4

    Effects of Ginseng on Cognitive Function: A Systematic Review and Meta-Analysis.

    Phytother Res. 2024;38(12):6023-6034. doi:10.1002/ptr.8359. PMID:39474788.

    Number reported
    0.06 standardised effect size
    Which way it went
    No clear difference
    Likely range
    -0.64 to 0.77
    Source’s own words
    standardized mean difference in overall cognition vs control (not significant)
    Who was studied
    Adult
    Compared with
    control
    Amount taken
    Not in the abstract
    For how long
    Not in the abstract
    Disagreement between studies
    Not in the abstract
    Kind of record
    Journal article
    How this rating was reachedstarts at High, one step down: imprecision
    1. Starts at High
    2. Imprecision brought it down to Moderatethe confidence interval includes no effectReported in the abstract
    3. Ends at ModerateOne step down.
    Checked, nothing to step it down for
    risk of bias and indirectness
    Inconsistency
    No high disagreement reported between the 15 studies it pooled

    Imprecision stops at the first check that applies; others may apply too.

    AI review could not confirm it — an AI agent re-read this finding against the saved source and at least one check failed. The batch record names the check and quotes the sentence that caused the doubt. No person read it.

    Read the abstract on PubMed

What is still missing from these readings

  • One do not say how many people took part.
  • Amount taken — Not in the abstract.
  • For how long — Not in the abstract.

Something nobody wrote down is never a zero and never a guess.

Still to read for Panax ginseng

Seven of the 16 things on our list for Panax ginseng have no reading here yet:

  • Common cold duration
  • Common cold incidence
  • Estimated VO2max
  • Hemoglobin A1c
  • HOMA-IR
  • Quality of Life Score
  • Triglycerides

Still to read means nobody here has got to it, not that it was tried and did nothing or that no research exists. A pairing on no list is not a gap: we never set out to read it.

Read next

This is a library, not advice. No recommendation, no dose, no diagnosis, no ranking. We never ask about your symptoms, and nothing here is tailored to you.