Harvard Men's Health Watch

What could cause my breasts to become larger?

On call Q. My breasts have begun to feel swollen and seem larger. What could cause this, and should I be worried about any potential health issues? A. Swollen breasts in men are almost always caused by either one or both of two conditions: excess fat deposition in the breasts, or growth of actual glandular breast tissue (gynecomastia). Fatty deposition occurs in overweight men and is always present in both…

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