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Every year, fortunes are spent on procedures aimed at reversing the effects of aging skin. Dermatologists routinely recommend limiting sun exposure to prevent aging. However, is enough being said about other preventive measures, given multiple findings that smokers’ skin appears older than the skin of their nonsmoking peers? Most previous reports on this subject have been epidemiologic in approach, and arguments about methodology raise questions about the generalizability of the results.
These authors report a “natural” observation in a pair of identical twins with equivalent sun exposure. One twin smoked (a 52.5-pack/year history, or about 1 pack/week), and the other did not. The twin who smoked had significantly greater aging of the skin, …