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Your body makes hormones that tell your cells what to do. These hormones are chemical messengers that travel through the blood and control how your tissues and organs work.
Learn more about what affects your hormone levels, the benefits and risks of some medications and how to protect yourself.
All about hormones
All about the birth control pill
- The benefits and risks of hormonal birth control
- Does the pill increase your risk of cancer?
- The pill may reduce your risk of 2 types of cancer
All about hormone replacement therapy (HRT)