What to know
Statistics Canada data shows breast cancer rates increased among women under 50 between 1984 and 2019, including those in their 20s, 30s and 40s. Dr. Toni Zhong, a plastic and reconstructive surgeon at UHN’s Princess Margaret Cancer Centre, says she has seen more younger women seeking breast cancer surgery and reconstruction in her practice. Potential risk factors include genetic mutations, hormonal exposure, alcohol consumption, s…