requisite scientific validation effectiveness either unproved disproved ref name nsf ref name atramm ref name kent ref name goldrosen many claims regarding efficacy alternative medicines controversial since research frequently low quality methodologically flawed selective publication bias marked differences product quality standardisation companies making unsubstantiated claims call question claims efficacy isolated examples evidence alternative therapies ref name sarris ''the scientific review alternative medicine'' points confusions general population nbsp person may attribute symptomatic relief
Applied science Medicine and health Alternative medicine