[freilanzer]

Yes, it is. People have gotten better after having been told by someone in a labcoat that what they're taking is a placebo.

[agos]

if you referring to Kaptchuk TJ, Friedlander E, Kelley JM, et al. 2010, that study still involved some deception[1]. See also Locher C, Frey Nascimento A, Kirsch I, et al. 2017

[1]: https://sciencebasedmedicine.org/placebo-effects-without-dec...