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To the Editor.—
The following sentence (225:1069, 1973): It now becomes obvious that if smoking is the prime cause of facial wrinkling, black smokers should have the same intensity of wrinkling as their white counterparts who smoke simply has not been proved, for if black skin is somehow less susceptible to actinic exposure, it might likewise possess a resistance to wrinkling, which white smokers might develop from exposure to smoke.The statement thatFirst, whereas black smokers do not develop "crow's feet," smoking simply cannot be implicated in the development of "crow's feet" in whites is true only if the entire body of their research and observations is proved to be true.Finally, the statement "The lack of wrinkling in the submental region of white smokers further refutes the idea that smoking causes wrinkling" cannot be proved to be true unless someone proves that all skin in the body has
Boston DW. Smokers' Wrinkles. JAMA. 1973;226(7):788. doi:10.1001/jama.1973.03230070048017