Yes. Or diminish its efficacy. Or cause illness. It's called a nocebo effect. It's been known about for awhile, even if it wasn't called that. Walter Cannon in 1942 wrote a scientific article about VooDoo Death, explaining how belief in the curse can cause real physiological outcomes (like death).
Boas-Malinowski t1_isc9hw9 wrote
Reply to Does a reverse placebo exist? by Nearby-Cloud-3476
Yes. Or diminish its efficacy. Or cause illness. It's called a nocebo effect. It's been known about for awhile, even if it wasn't called that. Walter Cannon in 1942 wrote a scientific article about VooDoo Death, explaining how belief in the curse can cause real physiological outcomes (like death).