A Peloton instructor was diagnosed with breast cancer at age 35. Here's how common the disease is at every age.

• Breast cancer is one of the most common cancers for women.
• The risk of getting the disease generally increases with age, but young people can get it too.
• A 35-year-old Peloton instructor recently said she had been diagnosed with breast cancer.

While breast cancer is one of the most common forms of cancer in women in the US, the risk for getting the disease typically increases with age.