The concept of how positive thinking affects one’s health is a study in contrasts.
Certainly, DNA plays an enormous role in one’s health; and one cannot “will” oneself to be cured of cancer.
However, maintaining wellness while coping a major illness may make a difference.
Negative thoughts take energy as well. There can be no doubt of the placebo effect.
The amazing phenomenon a substance or treatment provides a benefit, that can only be explained by the patient’s belief in it.