Published research and clinical guidance released this week confirm consistent associations between obesity and breast cancer risk and outcomes. Research published in Nature found obesity is associated with increased breast cancer risk, more aggressive tumours, and poorer patient prognosis.^[1] Medical experts state excess body weight carries a higher risk of developing breast cancer after menopause.^[2] Health guidelines emphasize mammograms should be performed according to age, medical history, and physician recommendations regardless of weight status.^[3] Medical professionals recommend treating obesity as a disease, with individualised plans involving sustainable nutrition and physical activity.^[4]