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Giving the people the power over their own subconscious mind, therefore reducing pain, anxiety, etc in the most natural manner possible.
The positive effect of this being, reducing medication that is obviously a burden for the body and mind, but as well as for the environment, when old and unused medication is being flushed down the toilets or is being added to the sewage system via human waste products (such as hormones).
The less medication that is being applied, the better for nature.