Placebo effect works even if you know it's a placebo. https://www.health.harvard.edu/blog/placebo-can-work-even-know-placebo-201607079926 https://www.health.ha

Placebo effect works even if you know it's a placebo. https://www.health.harvard.edu/blog/placebo-can-work-even-know-placebo-201607079926 https://www.health.harvard.edu/blog/placebo-can-work-even-kn...