Whether you or someone you love has cancer, knowing what to expect can help you cope. From basic information about cancer and its causes to in-depth information on specific cancer types – including risk factors, early detection, diagnosis, and treatment options – you’ll find it here.
You can help reduce your risk of cancer by making healthy choices like eating right, staying active and not smoking. It’s also important to follow recommended screening guidelines, which can help detect certain cancers early.
Whether you want to learn about treatment options, get advice on coping with side effects, or have questions about health insurance, we’re here to help. We can even find you a free ride to treatment or a free place to stay when treatment is far from home.
Our team of expert journalists brings you all angles of the cancer story – from breaking news and survivor stories to in-depth insights into cutting-edge research.
What does it take to outsmart cancer? Research. We’ve invested more than $4.9 billion in cancer research since 1946, all to find more – and better – treatments, uncover factors that may cause cancer, and improve cancer patients’ quality of life.
We couldn’t do what we do without our volunteers and donors. Together, we’re making a difference – and you can, too. Become a volunteer, make a tax-deductible donation, or participate in a fundraising event to help us save lives.
The American Cancer Society couldn’t do what we do without the support of our partners. Learn more about these partnerships and how you too can join us in our mission to save lives, celebrate lives, and lead the fight for a world without cancer.
At the American Cancer Society, we’re on a mission to free the world from cancer. Until we do, we’ll be funding and conducting research, sharing expert information, supporting patients, and spreading the word about prevention. All so you can live longer — and better.
Radiation therapy is one of the most common treatments for cancer. Radiation may be used to cure or shrink early-stage cancer, stop cancer from coming back, or to treat symptoms when cancer has spread. Learn about how it works and what to expect.