Just to help you understand. By this logic Aspirin, hormone treatment, vaccinations, and antibiotics have nothing medical about them other than they are used in that field of work. As well as other 'medical drugs and treatments'.
Just because its not packed with medication and foreign substances doesn't mean its not 'medical'. If it benefits a certain symptom of stress, chronic nerve disorder, cancer, and other things. Its medical - because it assists in relieving a symptom &/or side effect.
=p
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