In this article, we have compiled a number of studies and experiments that demonstrate the power of suggestion and mental visualization. All of these experiments are supported by credible scientific sources, which you can refer to for more information.
1.Piano Playing Experiment

several researchers at Harvard University invited a group of volunteers who had never played the piano before and divided them into two groups. One group practiced a simple piano exercise for two hours a day over five days. The second group did the same, with one key difference: they only imagined sitting at the piano and repeatedly suggested to themselves that they were playing, without moving a single finger.
Brain scans taken before and after the experiment showed that both groups developed a significant number of new neural circuits and created new neural programming in the area of the brain responsible for finger movements. This occurred even in the group that never physically touched the piano. Through repeated mental visualization and self-suggestion, they effectively installed new “neural hardware” in their brains, fully rewiring their minds and preparing themselves to play the piano without any actual practice.
2.Muscle Strength Enhancement Experiment

In a study conducted at the Cleveland Clinic, ten participants aged 20 to 35 imagined contracting one of their biceps muscles with full force and repeatedly suggested to themselves that the muscle was getting stronger. They performed this mental exercise for 12 weeks, five sessions per week.
During the training sessions, researchers recorded their brain activity every other week and measured their muscle strength. By the end of the study, the strength of these muscles had increased by 13.5%, even though the participants had not physically used the muscle
3.Immune System Enhancement Experiment

IgA is an extremely powerful substance and one of the main proteins involved in the normal function of the immune system and the body’s internal defense mechanisms. Its strength is so high that it is more potent than any immune-boosting drug or antibiotic.
In an advanced workshop in 2016 in Tacoma, Washington, a study was conducted on the effect of elevated emotions and positive self-suggestions on the immune system. 117 participants were involved, and their IgA levels were measured before and after the course.
During this four-day period, participants were asked to enter elevated emotional states such as love, joy, freedom, gratitude, and other positive feelings three times a day for 10 minutes each session, while inducing a sense of health and well-being in themselves.
The results were remarkable. The average IgA level increased by 49.5%. Normal IgA levels range between 37 and 87 mg/dL, but by the end of the course, levels exceeded 100 mg/dL
In each of the above experiments, and many others conducted to date, humans have been able, through the power of the mind, to create significant changes in the body. These include forming new neural pathways and regulating protein production and suppression. The body functions almost like a protein-producing factory, and by controlling protein production, many physical changes can be achieved