Mathew Knowles Mistook Cancer
Symptom for Working out Too Much Knowles is thankful that he
always wears white t-shirts after spotting specks of blood from
his nipple following a workout. Mathew Knowles,
via statement As the bleeding persisted for a few
days, Knowles consulted a doctor and a mammogram and biopsy
confirmed he had an early
stage of breast cancer. Knowles "never imagined" he'd be diagnosed with the disease, despite an extensive family history of sufferers. He is thankful to now
be cancer-free after having a mastectomy to remove
his right breast in July.