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Breast Cancer Myths Debunked by Surgeon
3 Aug
Summary
- Underwire bras and sleeping in them do not cause cancer.
- Coffee consumption does not increase breast cancer risk.
- Sugar does not feed cancer cells as widely believed.

Social media is rife with claims about breast cancer causes, but a cancer surgeon has stepped in to dispel these myths. Dr. Christine Lai, in a recent Instagram post, debunked eight widespread misconceptions, drawing on information from Cancer Australia to alleviate unnecessary fear among women. She emphasized that common beliefs linking bras to cancer are unfounded.
Dr. Lai clarified that factors like wearing underwire bras, sleeping in them, or wearing them all day do not contribute to breast cancer risk, as confirmed by Cancer Australia. She also addressed concerns about coffee consumption, noting that while caffeine can cause temporary breast tenderness or lumpiness, these symptoms are typically hormonal and not indicative of cancer. Furthermore, the myth that sugar directly feeds cancer was debunked; the surgeon explained that all body cells require glucose, so avoiding sugar would harm healthy cells as well as any potential tumors.