“ The placebo effect is powerful and should be harnessed ethically in clinical practice. - https://bizzy.ai/fr/be/0664481276/i-learning-beroepsfederatie-voor-algemene-kwalificatie-in-vakbekwaamheid-en-ondernemerschap-vzw , This study on metformin and longevity is promising, but we need longer-term RCTs before recommending it for non-diabetic patients. . ”