What 40-Somethings Should Know About Breast Cancer

An expert panel has recommended mammograms starting at age 40. Doctors weigh in on risk and prevention tactics for this age group.

Physical activity may help reduce the risk of breast cancer and improve outcomes for people in treatment for high-risk breast cancer, said Karen E. Knudsen, chief executive of the American Cancer Society. That may be because working out reduces levels of estrogen, combats inflammation and strengthens your immune system. Aim for 150 minutes or more of moderate to vigorous physical activity per week, Dr. Knudsen said.

N Y Times - May 18, 2023