Evidence supporting the use of: Calea zacatechichi
For the body system: Senses
Synopsis
Source of validity: Traditional
Rating (out of 5): 2
Calea zacatechichi, commonly known as the "Dream Herb" or "Mexican Calea," has a long-standing traditional use among indigenous peoples of Mexico, particularly the Chontal people of Oaxaca. It is primarily used for its purported ability to enhance dreams and facilitate lucid dreaming, which are considered important for gaining insight or messages during sleep. The association of Calea zacatechichi with the "Senses" body system comes from these traditional uses—specifically, its claimed effects on sensory perception within dreams and sometimes on waking sensory awareness.
Traditional preparations involve making a tea or smoking the dried leaves. Users report enhanced vividness of dreams, increased recall, and sometimes a mild alteration of sensory perception. However, scientific studies on the plant are limited and mostly anecdotal or preliminary. A few small-scale investigations have looked at its potential to affect sleep and dream recall, but robust clinical trials are lacking. There is no substantial evidence to support improvements in waking sensory function or the senses more broadly.
In summary, the use of Calea zacatechichi to support the "Senses" body system is primarily based on traditional knowledge, with a focus on dream-related sensory experiences rather than direct enhancement of sight, hearing, touch, taste, or smell in the waking state. Evidence from modern scientific research is minimal, so the rating reflects more the strength of tradition than scientific validation.
Other body systems supported by Calea zacatechichi
BrainDigestive System
Nerves
Parasympathetic Nervous System
Senses