Understand hormones
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
Hormones in your body control specific body functions. If the levels of certain hormones are too high, this may increase the risk of cancer.
All about the birth control pill
Taking the birth control pill may increase risk for some cancers and decrease risk for others. Understand the benefits and risks.
All about hormone replacement therapy (HRT)
Taking HRT for menopause may increase risk for some cancers and decrease risk for others. Understand the benefits and risks.
Your trusted source for accurate cancer information
With just $5 from readers like you, we can continue to provide the highest quality cancer information for over 100 types of cancer.
We’re here to ensure easy access to accurate cancer information for you and the millions of people who visit this website every year. But we can’t do it alone.
If everyone reading this gave just $5, we could achieve our goal this month to fund reliable cancer information, compassionate support services and the most promising research. Please give today because every contribution counts. Thank you.