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How to treat breast cysts 
Determine your risk for breast cysts. 
Women between the ages of 40 and 60 are more likely to develop lumps or cysts within the breasts. Hormonal changes can cause cysts to develop, so you may notice breast cysts develop right before your menstrual cycle begins.
Remember that breast cysts are not cancerous. Many women develop breast cysts in the years leading up to menopause.