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Breast Health

Screening, benign conditions, breast cancer, biopsy and treatment — explained in plain language.

566 articles · physician-reviewed · 511 news reports

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Breast Health 101
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Breast Health Online

Whether you've found a lump, received an abnormal mammogram result, or simply want to understand your breasts better, this is the right place to start. We cover everything from normal anatomy to benign conditions to breast cancer — clearly, without the alarm.

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Take it one step at a time. The sections below move from the basics through screening and treatment — read only what you need right now.Unsure about a term? Check the glossary.

Understand the basics

Plain-language guides

Breast Anatomy and Physiology

Breast Size, Appearance, and Changes Over Time The size and shape of women’s breasts varies considerably. Some women have a large amount of breast tissue, and therefore, have large breasts. Other women have a smaller amount of tissue with little breast fat.

March 11, 2010

Cancer: Prevention, Diagnosis and Treatment

Cancer is the second leading cause of death in the US after heart disease. The National Cancer Institute estimates that approximately 8 million Americans alive today have a history of cancer. About one million new cancer cases are diagnosed each year.

March 11, 2010

Frequently Asked Questions About Breast Cancer and Breast Health

This section addresses common questions about breast cancer and breast health. Please visit these Imaginis sites for frequently asked questions about mammography and breast cancer treatment. Who is at risk for breast cancer? All women are at risk for breast cancer.

March 11, 2010

What is Cancer?

Cancer is a group of more than 100 different diseases. Cancer occurs when cells become abnormal and keep dividing and forming more cells without control or order. All organs of the body are made up of cells. Normally, cells divide to produce more cells only when the body needs them.

March 11, 2010

False Rumor Says Antiperspirants Cause Breast Cancer

Since the late 1990s, an inaccurate rumor has been broadly circulated through the Internet and new media stating that the use of antiperspirants is a leading cause of breast cancer.

March 11, 2010

Screening & early detection

Find it early

Benign (non-cancerous) conditions

Most lumps aren't cancer

Treatment & clinical trials

Your options

Support & advocacy

You're not alone

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