Tanning dependence and seasonal affective disorder are frequent among sunbathers but are not associated

American Psychiatric Association, Task Force on DSM IV, 2000 Ashrafioun, 2014, Tanning addiction and psychopathology: further evaluation of anxiety disorders and substance abuse, J. Am. Acad. Dermatol., 70, 473, 10.1016/j.jaad.2013.10.057 Aubert, 2016, Dopamine efflux in response to ultraviolet radiation in addicted sunbed users, Psychiatry Res., 251, 7, 10.1016/j.pscychresns.2016.04.001 Belon, 1985, UVA exposure and pituitary secretion. Variations of human lipotropin concentrations (βLPH) after UVA exposure, Photochemistry Photobiol, 42, 327, 10.1111/j.1751-1097.1985.tb08948.x Blashill, 2016, The association between psychiatric disorders and frequent indoor tanning, JAMA Dermatol, 152, 577, 10.1001/jamadermatol.2015.5866 Cartmel, 2017, Predictors of tanning dependence in white non-Hispanic females and males, J. Eur. Acad. Dermatol. Venereol., 31, 1223, 10.1111/jdv.14138 Cartmel, 2014, Novel gene identified in an exome-wide association study of tanning dependence, Exp. Dermatol, 23, 757, 10.1111/exd.12503 Culnan, 2015, Associations between seasonal sleep change and indoor tanning, Psychol. Rep., 116, 523, 10.2466/06.07.PR0.116k20w3 Diehl, 2018, First evaluation of the Behavioral Addiction Indoor Tanning Screener (BAITS) in a nationwide representative sample, Br. J. Dermatol., 178, 176, 10.1111/bjd.15888 Feldman, 2004, Ultraviolet exposure is a reinforcing stimulus in frequent indoor tanners, J. Am. Acad. Dermatol., 51, 45, 10.1016/j.jaad.2004.01.053 Fell, 2014, Skin β-endorphin mediates addiction to UV light, Cell, 157, 1527, 10.1016/j.cell.2014.04.032 Felton, 2017, Serum endocannabinoids and N-acyl ethanolamines and the influence of simulated solar UVR exposure in humans in vivo, Photochem. Photobiol. Sci., 16, 564, 10.1039/C6PP00337K First, 1995 Fitzpatrick, 1988, The validity and practicality of sun-reactive skin types I through VI, Arch. Dermatol., 124, 869, 10.1001/archderm.1988.01670060015008 Gambichler, 2002, Plasma levels of opioid peptides after sunbed exposures, Br. J. Dermatol., 147, 1207, 10.1046/j.1365-2133.2002.04859.x Gandini, 2011, Reviews on sun exposure and artificial light and melanoma, Prog. Biophys. Mol. Biol., 107, 362, 10.1016/j.pbiomolbio.2011.09.011 Grimaldi, 2009, Seasonal vegetative and affective symptoms in the Finnish general population: testing the dual vulnerability and latitude effect hypotheses, Nord. J. Psychiatry, 63, 397, 10.1080/08039480902878729 Harrington, 2011, Addictive-like behaviors to ultraviolet light among frequent indoor tanners, Clin. Exp. Dermatol., 36, 33, 10.1111/j.1365-2230.2010.03882.x Heckman, 2016, Mood changes after indoor tanning among college women: associations with psychiatric/addictive symptoms, Health Psychol. Res, 4, 5453, 10.4081/hpr.2016.5453 Heckman, 2014, Psychiatric and addictive symptoms of young adult female indoor tanners, J. Am. Health Promot, 28, 168, 10.4278/ajhp.120912-QUAN-442 Heckman, 2008, A preliminary investigation of the predictors of tanning dependence, Am. J. Health Behav., 32, 451, 10.5993/AJHB.32.5.1 Hillhouse, 2005, Association of frequent indoor UV tanning with seasonal affective disorder, Arch. Dermatol., 141, 1465, 10.1001/archderm.141.11.1465 Hillhouse, 2010, Effect of seasonal affective disorder and pathological tanning motives on efficacy of an appearance-focused intervention to prevent skin cancer, Arch. Dermatol., 146, 485, 10.1001/archdermatol.2010.85 Hillhouse, 2012, Evaluating a measure of tanning abuse and dependence, Arch. Dermatol., 148, 815, 10.1001/archdermatol.2011.2929 Jussila, 2016, Narrow-band ultraviolet B radiation induces the expression of β-endorphin in human skin in vivo, J. Photochem. Photobiol. B, 155, 104, 10.1016/j.jphotobiol.2016.01.007 Kasper, 1989, Phototherapy in individuals with and without subsyndromal seasonal affective disorder, Arch. Gen. Psychiatry, 46, 837, 10.1001/archpsyc.1989.01810090079011 Kaur, 2006, Induction of withdrawal-like symptoms in a small randomized, controlled trial of opioid blockade in frequent tanners, J. Am. Acad. Dermatol., 54, 709, 10.1016/j.jaad.2005.11.1059 Khouja, 2018, Influence of maternal and own genotype at tanning dependence-related SNPs on sun exposure in childhood, BMC Med. Genet., 19, 62, 10.1186/s12881-018-0575-z Levins, 1983, Plasma beta-endorphin and beta-lipoprotein response to ultraviolet radiation, Lancet, 16, 166, 10.1016/S0140-6736(83)90150-2 Magnusson, 2000, An overview of epidemiological studies on seasonal affective disorder, Acta Psychiatr. Scand., 101, 176, 10.1034/j.1600-0447.2000.101003176.x Magnusson, 1996, Validation of the seasonal pattern assessment questionnaire (SPAQ), J. Affect. Disord., 40, 121, 10.1016/0165-0327(96)00036-5 Mosher, 2010, Addiction to indoor tanning: relations to anxiety, depression, and substance use, Arch. Dermatol., 146, 412, 10.1001/archdermatol.2009.385 Nolan, 2009, Tanning as an addictive behavior: a literature review, Photodermatol. Photoimmunol. Photomed., 25, 12, 10.1111/j.1600-0781.2009.00392.x O'Leary, 2014, Update on tanning: more risks, fewer benefits, J. Am. Acad. Dermatol., 70, 562, 10.1016/j.jaad.2013.11.004 Partonen, 1998, Seasonal affective disorder, Lancet, 352, 1369, 10.1016/S0140-6736(98)01015-0 Petit, 2014, Phenomenology and psychopathology of excessive indoor tanning, Int. J. Dermatol., 53, 664, 10.1111/ijd.12336 Poorsattar, 2007, UV light abuse and high-risk tanning behavior among undergraduate college students, J. Am. Acad. Dermatol., 56, 375, 10.1016/j.jaad.2006.08.064 Rosenthal, 1984 Rosenthal, 1987, No mood-altering effects found after treatment of normal subjects with bright light in the morning, Pshychiatry Res, 22, 1, 10.1016/0165-1781(87)90044-8 Schneider, 2015, Casting shadows on the prevalence of tanning dependence: an assessment of mCAGE criteria, Acta Derm. Venereol., 95, 162, 10.2340/00015555-1907 Skobowiat, 2011, Cutaneous hypothalamic-pituitary-adrenal axis homolog: regulation by ultraviolet radiation, Am. J. Physiol. Endocrinol. Metab., 301, E484, 10.1152/ajpendo.00217.2011 Skobowiat, 2015, UVB activates hypothalamic-pituitary-adrenal axis in C57BL/6 mice, J. Invest. Dermatol., 135, 1638, 10.1038/jid.2014.450 Stapleton, 2016, The behavioral addiction indoor tanning screener (BAITS): an evaluation of a brief measure of behavioral addictive symptoms, Acta Derm. Venereol., 96, 552, 10.2340/00015555-2290 Tierney, 2015, Predicted increased risk of squamous cell carcinoma induction associated with sunbed exposure habits, Br. J. Dermatol., 173, 201, 10.1111/bjd.13714 Warthan, 2005, UV light tanning as a type of substance-related disorder, Arch. Dermatol., 141, 963, 10.1001/archderm.141.8.963 Watson, 1988, Development and validation of brief measures of positive and negative affect: the PANAS scales, J. Pers. Soc. Psychol., 5, 1063, 10.1037/0022-3514.54.6.1063 Wintzen, 2001, Total body exposure to ultraviolet radiation does not influence plasma levels of immunoreactive beta-endorphin in man, Photodermatol. Photoimmunol. Photomed., 17, 256, 10.1034/j.1600-0781.2001.170602.x