Berkeley

Medical Journal

Weekly Spotlight: Short Article

When Cells Grow Old: Modelling Cell Aging and Breast Cancer Risk

Katharine Morgan - Fall 2025

As we get older, there is increasing concern over our health, with the concern for many being cancer. For women, the specific concern is about breast cancer, with an estimated 1 in 8 women in the United States diagnosed with breast cancer in their lifetime (National Breast Cancer Foundation). As a consequence, about 80 percent of women ages 50-74 in the United States are screened for breast cancer (National Cancer Institute), making up the majority of the middle-aged female population in this country. However, there is a problem with how these screenings are conducted, with risk models either over or under-estimating cancer risk.