American Association for Cancer Research (AACR)

Cancer is not a single disease, but rather a collection of diseases all characterized by the uncontrolled proliferation of cells.

Thanks to spectacular advances in cancer research, more than 16.9 million people in the United States and millions more around the world are living with, through, and beyond their diagnoses.

Prostate cancer is the most common non-skin cancer diagnosed in men. Last year, more than 190,000 men in the United States were diagnosed with this form of cancer, according to federal estimates.

Read inspiring stories from survivors benefiting from research-driven advances against cancer, like melanoma survivor Bob Ribbans of Ringoes, New Jersey.

Learn about cancer researchers like Fellow of the AACR Academy Susan B. Horwitz, PhD, who made seminal contributions to research that are driving advances against cancer.

May is National Cancer Research. The AACR and our 48,000 members are driving progress against cancer. Your gift today helps advance research that is saving lives every day.