Outcome map · Supplement
Cold incidence/duration: what the evidence supports
2 graded interventions for cold incidence/duration, ranked by strength of evidence.
- Overall grade
- Grade C
- Last revised
- 2
- graded outcomes
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
2 at grade C — 2 graded rows
What is known
Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.
- EchinaceaEvidence grade C
Near-null overall
Smalllow
- American GinsengEvidence grade C
Specific extract
Smallmixed
What is uncertain
Read off the same rows as above. Nothing here is added that the entry does not itself record.
- Thin evidence: Echinacea (grade C); American Ginseng (grade C).
The evidence in words
The evidence map
This is the ranked evidence for cold incidence/duration: every compound in the knowledge base with a graded effect, best-supported first. Grades reflect replication and effect size, not popularity or marketing.
Best-supported
No intervention here reaches grade A or B — an honest reflection of how thin the evidence for cold incidence/duration still is.
Weaker or unproven
Echinacea (grade C) — Near-null overall · American Ginseng (grade C) — Specific extract
Goes with
- EchinaceaGrade CEvidence grade C
- American GinsengGrade CEvidence grade C
Related reading
Entries that share this one's tags or conditions.
- Allergic rhinitis: what the evidence supports3 graded interventions for allergic rhinitis, ranked by strength of evidence.Evidence grade B
- Antibiotic-associated diarrhea: what the evidence supports2 graded interventions for antibiotic-associated diarrhea, ranked by strength of evidence.Evidence grade B
- Anxiety: what the evidence supports6 graded interventions for anxiety, ranked by strength of evidence.Evidence grade B
- Benign prostatic hyperplasia: what the evidence supports3 graded interventions for benign prostatic hyperplasia, ranked by strength of evidence.Evidence grade C
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.