Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Haliotis, commonly known as abalone shell, has a long history of use in traditional medicine systems, especially in East Asian traditions such as Traditional Chinese Medicine (TCM). In TCM, abalone shell (called "Shi Jue Ming") is primarily used for its purported benefits in calming the liver, clearing heat, improving vision, and suppressing hyperactive yang. Its application is mostly related to eye health, calming agitation, and occasionally for general calming effects, which might loosely correlate with the concept of supporting the parasympathetic nervous system (PNS)—the system responsible for rest and relaxation in the body.

However, there is no direct scientific evidence or well-established pharmacological mechanism linking haliotis or its constituents to the modulation or support of the parasympathetic nervous system. The tradition-based use for calming or "yin" nourishing properties is not substantiated by modern clinical trials or neurobiological research. Thus, its use for supporting the PNS is justified only by traditional, historical practices rather than scientific validation.

In summary, while haliotis is used in some traditional frameworks to calm the body (a concept somewhat related to parasympathetic activity), there is minimal scientific evidence supporting this use, and the connection is largely interpretive rather than evidence-based.

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