The suggestion power is enormous, we all have at some point improved thanks to the effects of some kind of placebo, especially if we take into account some data that affirm that more than 30% of the referrals could be due to the placebo effect, that is, If I think I'm going to be cured, Pharmacology helps in a fundamental way, it's indisputable but we don't really know either to what extent or to what extent.
For some authors the improvements achieved through the so-called alternative medicines or through psychotherapy could be explained by the placebo effect, this doesn't detract from the results that are usually spectacular and amazing, in any case it highlights the importance of the true protagonist of the Healing: the patient.
There are people who believe that what is called alternative medicine will be the medicine of tomorrow where the patient will be something more than a sick and depersonalized organ that must be cured even against his will and then his entire biology will have to be taken into account, not only the sick part but their entire psychological situation, on all the emotional aspects and how is their relationship with the environment and with what social support counts. Something more complex and complete than an analytical and some pills.
There's also a dark side of the placebo effect, called nocebo effect and wikipedia explains that it's an adjective used to describe unpleasant and undesirable responses or harmful reactions that a subject manifests when administering a pharmacologically inert drug, in such a way that the answers organic are not generated chemically but rather by the pessimistic expectations of the subject. I mean, I'm sick because I think I'm going to get sick.
Nowadays, science has shown what you have always known, that your thought has biological effects on your body, that with every belief chemical substances are being released and physiological reactions are taking place that favor your health or cause diseases and that in the end what you think can bring you closer to health or illness.