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Epigenetics is the study of modifying the expression of genes through life style changes, diet, stress reduction and other behaviors. For example, if a man's is diagnosed with prostate cancer, there is an increase risk that his son will develop prostate cancer.
Conventional medicine simply recommends an annual physical examination and monitoring of the prostate specific antigen level (PSA). If the PSA level increases the man would undergo a biopsy of the prostate to confirm the diagnosis and treatment for prostate cancer using surgery, chemotherapy or radiation therapy.
Epigenetics gives hope to men with a family history of prostate cancer and those diagnosed with a slowly progressing tumor. At present, medicine does not allow us to change our genes. We can modify the expression of our genes through epigenetics.