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Cough

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Summary of Cough

Scientific Information on Cough

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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect Cough.

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Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-a Minor Very High See all 12 studies
Symptoms of cough, in the context of acute bronchitis, are reduce in most subjects with around 50-60% of subjects reporting remission. There isn't an improvement in other lung disorders though, so this is more reflective of treatment of acute bronchitis.
grade-d - - See study
No apparent effect on the risk of having a cough in one study.

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