Checked reel · 27 Sept 2026
The raw data showed higher cancer rates among sunscreen users because of simple selection bias. People with fair skin who burn easily or spend long hours outdoors are far more likely to apply sunscreen. When researchers adjust for sun exposure, skin type, and sunburn history, sunscreen consistently protects against skin cancer. Decades of clinical trials show UV radiation damages DNA and causes melanoma, while sunscreen blocks those harmful rays. Claiming sunscreen causes cancer completely flips cause and effect.
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