APA (2000). Diagnostic and Statistical Manual of Mental Disorders, 4th edn, text revision. American Psychiatric Association: Washington, DC.
Arreola, S, Neilands, T, Pollack, L, Paul, J, Catania, J (2008). Childhood sexual experiences and adult health sequelae among gay and bisexual men: defining childhood sexual abuse. Journal of Sex Research 45, 246–252.
Bailey, JM (1999). Homosexuality and mental illness. Archives of General Psychiatry 56, 883–884.
Balsam, KF, Rothblum, ED, Beauchaine, TP (2005). Victimization over the life span: a comparison of lesbian, gay, bisexual, and heterosexual siblings. Journal of Consulting and Clinical Psychology 73, 477–487.
Baumeister, RF, Leary, MR (1995). The need to belong: desire for interpersonal attachments as a fundamental human motivation. Psychological Bulletin 117, 497–529.
Blanchard, R (2004). Quantitative and theoretical analyses of the relation between older brothers and homosexuality in men. Journal of Theoretical Biology 230, 173–187.
Bogaert, AF (2010). Physical development and sexual orientation in men and women: an analysis of NATSAL-2000. Archives of Sexual Behavior 39, 110–116.
Bolton, S, Sareen, J (2011). Sexual orientation and its relation to mental disorder and suicide attempts: findings from a nationally representative sample. Canadian Journal of Psychiatry 11, 35–43.
Cameron, P, Cameron, K (1995). Does incest cause homosexuality? Psychological Reports 76, 611–621.
Chakraborty, A, McManus, S, Brugha, TS, Bebbington, P, King, M (2011). Mental health of the non-heterosexual population of England. British Journal of Psychiatry 198, 143–148.
Cochran, SD, Mays, VM (2000). Relation between psychiatric syndromes and behaviorally defined sexual orientation in a sample of the US population. American Journal of Epidemiology 151, 516–523.
DeLisi, LE, Svetina, C, Razi, K, Shields, G, Wellman, N, Crow, TJ (2002). Hand preference and hand skill in families with schizophrenia. Laterality 7, 321–332.
Dube, SR, Williamson, DF, Thompson, T, Felitti, VJ, Anda, RF (2004). Assessing the reliability of retrospective reports of adverse childhood experiences among adult HMO members attending a primary care clinic. Child Abuse and Neglect 28, 729–737.
Duffy, DL, Martin, NG (1994). Inferring the direction of causation in cross-sectional twin data: theoretical and empirical considerations. Genetic Epidemiology 11, 483–502.
Elias, LJ, Saucier, DM, Guylee, MJ (2001). Handedness and depression in university students: a sex by handedness interaction. Brain and Cognition 46, 125–129.
Evans, DM, Gillespie, NA, Martin, NG (2002). Biometrical genetics. Biological Psychology 61, 33–51.
Felitti, VJ, Anda, RF, Nordenberg, D, Williamson, DF, Spitz, AM, Edwards, V, Koss, MP, Marks, JS (1998). Relationship of childhood abuse and household dysfunction to many of the leading causes of death in adults. The Adverse Childhood Experiences (ACE) Study. American Journal of Preventive Medicine 14, 245–258.
Fergusson, DM, Boden, JM, Horwood, LJ (2008). Exposure to childhood sexual and physical abuse and adjustment in early adulthood. Child Abuse and Neglect 32, 607–619.
Fergusson, DM, Horwood, LJ, Beautrais, AL (1999). Is sexual orientation related to mental health problems and suicidality in young people? Archives of General Psychiatry 56, 876–880.
Frisell, T, Lichtenstein, P, Rahman, Q, Langstrom, N (2010). Psychiatric morbidity associated with same-sex sexual behaviour: influence of minority stress and familial factors. Psychological Medicine 40, 315–324.
Gilman, SE, Cochran, SD, Mays, VM, Hughes, M, Ostrow, D, Kessler, RC (2001). Risk of psychiatric disorders among individuals reporting same-sex sexual partners in the National Comorbidity Survey. American Journal of Public Health 91, 933–939.
Grulich, AE, de Visser, RO, Smith, AMA, Rissel, CE, Richters, J (2003). Sex in Australia: homosexual experience and recent homosexual encounters. Australian and New Zealand Journal of Public Health 27, 155–163.
Hare, EH, Moran, PAP (1979). Parental age and birth-order in homosexual patients: replication of Slater's study. British Journal of Psychiatry 134, 178–182.
Hatzenbuehler, ML (2009). How does sexual minority stigma ‘get under the skin’? A psychological mediation framework. Psychological Bulletin 135, 707–730.
Heim, C, Newport, DJ, Mletzko, T, Miller, AH, Hemeroff, CB (2008). The link between childhood trauma and depression: insights from HPA axis studies in humans. Psychoneuroendocrinology 33, 693–710.
Hughes, TL, Johnson, T, Wilsnack, SC (2001). Sexual assault and alcohol abuse: a comparison of lesbians and heterosexual women. Journal of Substance Abuse 13, 515–532.
Kendler, KS, Gardner, CO, Neale, MC, Prescott, CA (2001). Genetic risk factors for major depression in men and women: similar or different heritabilities and same or partly distinct genes? Psychological Medicine 31, 605–616.
Kendler, KS, Gardner, CO, Prescott, CA (2002). Toward a comprehensive developmental model for major depression in women. American Journal of Psychiatry 159, 1133–1145.
Kendler, KS, Gardner, CO, Prescott, CA (2006). Toward a comprehensive developmental model for major depression in men. American Journal of Psychiatry 163, 115–124.
Kendler, KS, Kuhn, JW, Prescott, CA (2004). Childhood sexual abuse, stressful life events and risk for major depression in women. Psychological Medicine 34, 1475–1482.
Kendler, KS, Neale, MC, Kessler, RC, Heath, AC, Eaves, LJ (1993 a). The lifetime history of major depression in women: reliability of diagnosis and heritability. Archives of General Psychiatry 50, 863–870.
Kendler, KS, Neale, MC, Kessler, RC, Heath, AC, Eaves, LJ (1993 b). A longitudinal twin study of personality and major depression in women. Archives of General Psychiatry 50, 853–862.
Kendler, KS, Neale, MC, Kessler, RC, Heath, AC, Eaves, LJ (1993 c). A test of the equal-environment assumption in twin studies of psychiatric illness. Behavior Genetics 23, 21–27.
Kendler, KS, Thornton, LM, Gilman, SE, Kessler, RC (2000). Sexual orientation in a US national sample of twin and nontwin sibling pairs. American Journal of Psychiatry 157, 1843–1846.
King, M, Semlyen, J, Tai, SS, Killaspy, H, Osborn, D, Popelyuk, D, Nazareth, I (2008). A systematic review of mental disorder, suicide, and deliberate self harm in lesbian, gay and bisexual people. BMC Psychiatry 8, 70.
Kinsey, AC, Pomeroy, WB, Martin, CE (1948). Sexual Behavior in the Human Male. W. B. Saunders: Philadelphia, PA.
Knopik, VS, Heath, AC, Madden, PAF, Bucholz, KK, Slutske, WS, Nelson, EC, Statham, D, Whitfield, JB, Martin, NG (2004). Genetic effects on alcohol dependence risk: re-evaluating the importance of psychiatric and other heritable risk factors. Psychological Medicine 34, 1519–1530.
Langstrom, N, Rahman, Q, Carlstrom, E, Lichtenstein, P (2010). Genetic and environmental effects on same-sex sexual behavior: a population study of twins in Sweden. Archives of Sexual Behavior 39, 75–80.
Levinson, DF (2006). The genetics of depression: a review. Biological Psychiatry 60, 84–92.
Lewis, NM (2009). Mental health in sexual minorities: recent indicators, trends, and their relationships to place in North America and Europe. Health and Place 15, 1029–1045.
Loehlin, JC (1996). The Cholesky approach: a cautionary note. Behavior Genetics 26, 65–69.
Lupien, SJ, McEwen, BS, Gunnar, MR, Heim, C (2009). Effects of stress throughout the lifespan on the brain, behaviour and cognition. Nature Reviews Neuroscience 10, 434–445.
Mays, VM, Cochran, SD (2001). Mental health correlates of perceived discrimination among lesbian, gay, and bisexual adults in the United States. American Journal of Public Health 91, 1869–1876.
Meyer, IH (1995). Minority stress and mental health in gay men. Journal of Health and Social Behavior 36, 38–56.
Meyer, IH (2003). Prejudice, social stress, and mental health in lesbian, gay, and bisexual populations: conceptual issues and research evidence. Psychological Bulletin 129, 674–697.
Mills, TC, Paul, J, Stall, R, Pollack, L, Canchola, J, Chang, YJ, Moskowitz, JT, Catania, JA (2004). Distress and depression in men who have sex with men: the Urban Men's Health Study. American Journal of Psychiatry 161, 278–285.
Neale, MC, Boker, SM, Xie, G, Maes, HH (2006). Mx: Statistical Modeling. Department of Psychiatry, VCU Box 900126: Richmond, VA 23298.
Neale, MC, Cardon, LR (1992). Methodology for Genetic Studies of Twins and Families. Kluwer: Boston.
Nelson, EC, Heath, AC, Madden, PAF, Cooper, ML, Dinwiddie, SH, Bucholz, KK, Glowinski, A, McLaughlin, T, Dunne, MP, Statham, DJ, Martin, NG (2002). Association between self-reported childhood sexual abuse and adverse psychosocial outcomes: results from a twin study. Archives of General Psychiatry 59, 139–145.
Ooki, S, Yamada, K, Asaka, A, Hayakawa, K (1990). Zygosity diagnosis of twins by questionnaire. Acta Geneticae Medicae et Gemellologiae 39, 109–115.
Pariante, CM, Lightman, SL (2008). The HPA axis in major depression: classical theories and new developments. Trends in Neurosciences 31, 464–468.
Paul, JP, Catania, J, Pollack, L, Stall, R (2001). Understanding childhood sexual abuse as a predictor of sexual risk-taking among men who have sex with men: the Urban Men's Health Study. Child Abuse and Neglect 25, 557–584.
Pillard, RC, Bailey, JM (1998). Human sexual orientation has a heritable component. Human Biology 70, 347–365.
Posthuma, D, Beem, AL, de Geus, EJC, van Baal, GCM, von Hjelmborg, JB, Lachine, I, Boomsma, DI (2003). Theory and practice in quantitative genetics. Twin Research 6, 361–376.
Rahman, Q (2005 ). The neurodevelopment of human sexual orientation. Neuroscience and Biobehavioral Reviews 29, 1057–1066.
Repetti, RL, Taylor, SE, Seeman, TE (2002). Risky families: family social environments and the mental and physical health of offspring. Psychological Bulletin 128, 330–366.
Romeo, RD (2010). Pubertal maturation and programming of hypothalamic-pituitary-adrenal reactivity. Frontiers in Neuroendocrinology 31, 232–240.
Rothman, EF, Exner, D, Baughman, AL (2011). The prevalence of sexual assault against people who identify as gay, lesbian, or bisexual in the United States: a systematic review. Trauma Violence and Abuse 12, 55–66.
Sandfort, TGM, de Graaf, R, Bijl, RV, Schnabel, P (2001). Same-sex sexual behavior and psychiatric disorders: findings from the Netherlands Mental Health Survey and Incidence Study (NEMESIS). Archives of General Psychiatry 58, 85–91.
Santtila, P, Sandnabba, NK, Harlaar, N, Varjonen, M, Alanko, K, von der Pahlen, B (2008). Potential for homosexual response is prevalent and genetic. Biological Psychology 77, 102–105.
Sell, RL, Wells, JA, Wypij, D (1995). The prevalence of homosexual behavior and attraction in the United States, the United Kingdom and France: results of national population-based samples. Archives of Sexual Behavior 24, 235–248.
Sullivan, PF, de Geus, EJC, Willemsen, G, James, MR, Smit, JH, Zandbelt, T, Arolt, V, Baune, BT, Blackwood, D, Cichon, S, Coventry, WL, Domschke, K, Farmer, A, Fava, M, Gordon, SD, He, Q, Heath, AC, Heutink, P, Holsboer, F, Hoogendijk, WJ, Hottenga, JJ, Hu, Y, Kohli, M, Lin, D, Lucae, S, MacIntyre, DJ, Maier, W, McGhee, KA, McGuffin, P, Montgomery, GW, Muir, WJ, Nolen, WA, Nothen, MM, Perlis, RH, Pirlo, K, Posthuma, D, Rietschel, M, Rizzu, P, Schosser, A, Smit, AB, Smoller, JW, Tzeng, JY, van Dyck, R, Verhage, M, Zitman, FG, Martin, NG, Wray, NR, Boomsma, DI, Penninx, B (2009). Genome-wide association for major depressive disorder: a possible role for the presynaptic protein piccolo. Molecular Psychiatry 14, 359–375.
Sullivan, PF, Neale, MC, Kendler, KS (2000). Genetic epidemiology of major depression: review and meta-analysis. American Journal of Psychiatry 157, 1552–1562.
Swaab, DF, Garcia-Falgueras, A (2009). Sexual differentiation of the human brain in relation to gender identity and sexual orientation. Functional Neurology 24, 17–28.
Tomeo, ME, Templer, DI, Anderson, S, Kotler, D (2001). Comparative data of childhood and adolescence molestation in heterosexual and homosexual persons. Archives of Sexual Behavior 30, 535–541.
Yancura, LA, Aldwin, CM (2009). Stability and change in retrospective reports of childhood experiences over a 5-year period: findings from the Davis Longitudinal Study. Psychology and Aging 24, 715–721.
Young, E, Korszun, A (2010). Sex, trauma, stress hormones and depression. Molecular Psychiatry 15, 23–28.
Zietsch, BP (in press). Explanations for elevated psychiatric vulnerability in nonheterosexuals: environmental stressors, genetics, and the HPA and HPG axes. In Psychiatric Disorders (ed. Uehara, T.). InTech: Rijeka.
Zietsch, BP, Morley, KI, Shekar, SN, Verweij, KJH, Keller, MC, Macgregor, S, Wright, MJ, Bailey, JM, Martin, NG (2008). Genetic factors predisposing to homosexuality may increase mating success in heterosexuals. Evolution and Human Behavior 29, 424–433.
Zietsch, BP, Verweij, KJH, Bailey, JM, Wright, MJ, Martin, NG (2011). Sexual orientation and psychiatric vulnerability: a twin study of Neuroticism and Psychoticism. Archives of Sexual Behavior 40, 133–142.