They tend to call them "complimentary medicines" as a way of showing they can have positive effects but should only be used alongside mainstream medicines.
Of the two examples in the title acupuncture has been proven to aid pain relief in some circumstances (and is available on the NHS in the UK) while aromatherapy has no proven clinical benefits but can promote a healthy state of mind which can aid recovery.
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Just a shame it isn't really accurate (see my comment on complimentary medicine above.) Singing comedians aren't really much better than hippies or spiritualist when it comes to medicinal advice.