Placebo effect is real. But it also seems to fade with time, when a new drug is tested they work better, then years later maybe not at all.
So who knows how much of the drugs actually would work if they were given to people while being told that it's NOT very effective - except nocebo effect is also real, it kind of almost seem that whatever you manage to convince somebody to truly, fully think about a drug will happen.
Placebo effect is real. But it also seems to fade with time, when a new drug is tested they work better, then years later maybe not at all.
So who knows how much of the drugs actually would work if they were given to people while being told that it's NOT very effective - except nocebo effect is also real, it kind of almost seem that whatever you manage to convince somebody to truly, fully think about a drug will happen.