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The Effects of Caffeine on Breasts

author image Julia Bodeeb
Julia Bodeeb started online writing in 2007. She also worked on staff in medical publishing for more than a decade as a reporter, managing editor and in book acquisitions. She won a Pulitzer Center Global Issues/Citizen Voices Award in 2008. Bodeeb has a Bachelor of Arts in English from Monmouth University and postgraduate credits in psychology and law.
The Effects of Caffeine on Breasts
The caffeine in coffee, tea and some sodas can cause changes to the breasts. Photo Credit Jupiterimages/Brand X Pictures/Getty Images

Tea, coffee, chocolate and cola soft drinks contain caffeine. Caffeine enervates the central nervous system with a stimulant effect. It can have a wide range of effects on the body. The side effects caffeine causes in the breasts do not typically require any treatment, notes the University of Rochester Medical Center.


A fibrocystic breast contains cells that gather fluids into cysts that often make the breast look lumpy, notes Columbia Health Services of Columbia University. The fibrocystic problems in the breast due to caffeine intake worsen as caffeine intake increases. The lumps may be consistent or they may come and go in different areas of your breasts. Treatment of breast lumps that cause fibrocystic problems in your breasts can involve elimination of caffeine from your diet, notes the Georgetown University Department of Medicine.


Caffeine causes discomfort and pain in the breasts. Caffeine intake exacerbates the disorder if you have fibrocystic breasts, notes the Bowling Green State University Student Health Center. The pain you feel with fibrocystic breasts can be ongoing or just appear occasionally, notes the Georgetown University Department of Medicine.

Dense Breasts

A high caffeine intake that causes fibrocystic changes in your breasts can also cause suspicious areas on a mammogram. A mammogram on fibrocystic breasts often show certain areas of the breast are very dense, notes the University of Rochester Medical Center. Because a mammogram is not as accurate in detecting problems in fibrocystic breasts, often a breast ultrasound is recommended for further investigation of any suspicious areas on the mammogram. Fibrocystic breasts due to caffeine intake typically do not increase the risk of breast cancer.

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