Melanoma: A Pseudoepidemic of Skin Cancer Prompts New Screening Recommendations

There appeared to be an epidemic of melanoma skin cancer, but it seems to be a pseudoepidemic caused by overdiagnosis. Screening everyone with skin exams does more harm than good and can no longer be recommended. This lesion was suspicious enough to warrant a biopsy, but screening everyone for skin cancer is not warranted. Screening

Skin pH: Salesmanship, Not Science

People are being encouraged to worry about the pH of their skin and to try to change it. These concerns and interventions are not supported by scientific evidence. You have probably heard of the alkaline diet. Public knowledge of pH, the scale by which acids and bases are measured, is plagued by misinformation. People who

A Skeptical View of the Perricone Prescription

Harriet Hall, M.D. Stephen Barrett, M.D. Nicholas Perricone, M.D., has written three similar books: The Wrinkle Cure [1], The Perricone Prescription [2]; and The Acne Prescription [3]. All contain many claims that are questionable, controversial, fanciful, unsupported by published evidence, or just plain wrong. Although he mentions standard skin-care treatments, sometimes favorably, his books provide

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