Sunburns can cause wrinkles; so can cigarettes.
"Women and Smoking: A Report of the Surgeon General." U.S. Department of Health and Human Services. Mar. 2001. Health Consequences of Tobacco Use Among Women. Web.http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=womsmk&part=A7251#A7682
"Women and Smoking: A Report of the Surgeon General." CDC. 30 Aug. 2002. 51(12): 1-30. Web.http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5112a4.htm