It promotes a stronger sense of personal control of one's life and destiny. However, this has not yet been proven. It is widely believed that stress is harmful to the body. Successful meditation results in clearing the mind of all distractions, including those that create stress, discomfort, worry, pain, and fear. Supporters say that long term meditation produces greater alertness, increased mental efficiency, and deeper levels of awareness.
Some people report rich sensory experiences and personal spiritual growth from meditation.
Cancer patients can safely practice meditation in addition to their standard treatment to promote a greater sense of personal control and a sense of spiritual calm, valued benefits for most people. But it should not be expected to alter the growth or spread of cancer and should not be used instead of standard medical treatment.