1.Smith TM, Wessel MT. Alcohol, drugs, and links to sexual risk behaviors among a sample of Virginia college students. Journal of drug education. 2011 Mar;41(1):1-6. 2.Cowell J M, Marks B A. Health behavior in adolescents. In: D.S. Gochman (ed) Handbook of health behavior research Vol. 3. Demography, development and diversity. New York: Plaenum press; 1997:43-96. 3.Beck KH, Hartos JL, Simons-Morton BG. Parent–teen disagreement of parent-imposed restrictions on teen driving after one month of licensure: Is discordance related to risky teen driving?. Prevention Science. 2005 Sep 1;6(3):177-85. 4.Barikani A. High risk behaviors in adolescent students in Tehran. Iranian Journal of Psychiatry and Clinical Psychology. 2008 Aug 15;14(2):192-8. 5.Ahmadabadi Z. [Investigating the risky behaviors among adolescents and suggestions for preventing crime in the family].The Quarterly of Family Research.2009; 5(4):467-485. 6.CarrGregg M R C, Grover S R. Risk taking behavior of young women in Australia, screening for health risk behaviors. Medical Journal of Australia.2003; 178(17):601-604. 7.Slusky RI. Decreasing. High- risk behavior in teens. Atheatre program empowers students to reach out to their peers. Healyh Care Exes 2004; 19: 48-90. 8.Bergman MM, Scott J. Young adolescents’ well- being and health- risk behaviors: gender and socioeconomic differences. Journal of Adolescence.2001; 24(2):183-197. 9.Shamsipour M, Karani BR, Mohamadpour AA, Mansouri A. Smoking status and factors affecting students' tendency to live in dormitories of Tabriz University of Medical Sciences. Journal of Qom University of Medical Sciences . 2012; 6(1): 75-82. 10.Kelishadi R, Ardalan G, Gheiratmand R, Majdzadeh R, Delavari A, Heshmat R, Mokhtari MR, Razaghi EM, Motaghian M, Ahangar-Nazari I, Mahmood-Arabi MS. Smoking behavior and its influencing factors in a national-representative sample of Iranian adolescents: CASPIAN study. Preventive medicine. 2006 Jun 1;42(6):423-6. 11.Esmaielzadeh H, Asadi M, Miri N, Keramatkar M. Prevalence of High Risk Behaviors Among High School Students of Qazvin in 2012. Iranian Journal of Epidemiology. 2014 Dec 15;10(3):75-82. 12.Krejcie RV, Morgan DW. Determining sample size for research activities. Educational and psychological measurement. 1970 Sep;30(3):607-10. 13.Brener N, Lowry R, Kann I, Kolbe I, Lehnherr J. Trends in sexual risk behaviors among high school students--United States 1991-2001. MMWR. Morbidity and mortality weekly report. 2002;51(38):856-9. 14. Eaton DK, Kann L, Kinchen S, Shanklin S, Ross J, Hawkins J, Harris WA, Lowry R, McManus T, Chyen D, Lim C. Youth risk behavior surveillance--United States, 2007. Morbidity and mortality weekly report. Surveillance summaries (Washington, DC: 2002). 2008 Jun;57(4):1-31. 15. Headley S. Young adolescents' well-being and health-risk behaviors: Gender and socioeconomic differences.(Mental health). Youth Studies Australia. 2002 Jun 1;21(2):63-4. 16. Sterdt E, Pape N, Kramer S, Urban M, Werning R, Walter U. Do preschools differ in promoting children’s physical activity? An instrument for the assessment of preschool physical activity programmes. BMC public health. 2013 Dec;13(1):795. 17. Parnianfar M, Mehrabi Y, KeshavarzMohammadi N, Mohammadkhani S. Assessment of the Risk Factors of Drug Abuse among the Students of Second Course of High School in Shahroud City in 2013-2014 School Year, Iran. Qom University of Medical Sciences Journal 2016;10(1):67-75. 18. Habibi M, Besharat MA, Bahrami-Ehsan H, Rostami R, Ferrer-Wrder. Predicting substance use in adolescents according to risk and protective factors preventing individual, family, peers and location. J Clin Psychol 2012;4(1):43-54. 19. Mohammadpourasl A, Rostami F, Fakhari A. The incidence rate of illicit drug use in male students of Tabriz high schools. Adv Cogn Sci 2008;10(1):58-67. 20.Kiter G, Ucan ES, Ceylan E, Kilinc O. Water-pipe smoking and pulmonary functions. Respir Med. 2000; 94(9): 24. 891-4. 21. Maziak W, Ward KD, Afifi Soweid RA, Eissenberg T. Tobacco smoking using a waterpipe: A re-emerging strain in a global epidemic. Tob Control. 2004; 13(4): 327-33. 22.Mohammad K, Noorbala AA, Majdzadeh SR, Karimloo M. Trend of smoking prevalence in Iran from 1991 to 1999 based on two national health survey. Hakim Res J. 2001; 3(4): 290-7. 23. Aryanpour M, Sharifi H. Smoking. 1st ed. Tehran, Iran: Baraye Farda Publication. 2003; 14-21. 24. Sepetdjian E, Shihadeh A, Saliba NA. Measurement of 16 polycyclic aromatic hydrocarbons in narghile waterpipe tobacco smoke. Food Chem Toxicol. 2008; 46(5): 1582-90. 25. Khorasani-Zavareh D, Haglund BJ, Mohammadi R, Naghavi M, Laflamme L. Traffic injury deaths in West Azarbaijan province of Iran: a cross-sectional interview-based study on victims' characteristics and pre-hospital care. International Journal of Injury Control and Safety Promotion. 2009 Sep 1;16(3):119-26. 26. Torkamannejad Sabzevari J, Khanjani N, Molaei Tajkooh A, Nabipour AR, Sullman MJ. Seat belt use among car drivers in Iranian safe communities: An observational study. Traffic injury prevention. 2016 Feb 17;17(2):134-41. 27.Veghari G, Sedaghat M, Maghsodlo S, Banihashem S, Moharloei P, Angizeh A, Tazik E, Moghaddami A. The trend of seat belt use among drivers in the north of Iran, 2007-2010: An epidemiologic study. World Applied Sciences Journal. 2012;17(10):1365-9. 28. Akbari M, Nabipour AR, Hesampour M, Khanjani N. The rate of safety belt use and its associated factors in 15 to 44-years old of Kerman in 2012. journal of safety promotion and injury prevention. 2013 Dec 17;1(3):116-22.