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Lung Function

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Summary of Lung Function

Scientific Information on Lung Function

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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 Lung Function.

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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 10 studies
Secondary to treating sickness (bronchitis, URTIs, common cold) there is improvement in sputum content, rhonchi, breathing, coughing, and chest pain while coughing relative to placebo; while the improvements are marked, they only occur secondary to treating illness.
grade-b - Very High See all 7 studies
No effect on healthy people or on disease states characterized by impaired lung function.
grade-c Minor Very High See all 3 studies
While smoking per se is seen as negative, infusions of THC enhance lung function and acute usage of marijuana as joints seem to confer more benefit to lung function than drawbacks.

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