Dr. Sean Breen discusses the benefits of bioidentical hormone replacement for women. Learn about the benefits of estrogen, progesterone, thyroid, DHEA and testosterone in women. Learn how to reduce your risks of heart disease, dementia and osteoporosis by 50% and start feeling better immediately. Dr. Breen specializes in treating women suffering from PMS, perimenopause and menopause. Dr Breen has a full service preventive medical practice in irvine CA and treats women and men or all ages.