Youth Social conditions 17 Political activity 8 Social aspects 7 History 5 Drug use 4 Teenagers 4 more ... Children 3 Employment 3 Social life and customs 3 Youth and violence 3 Alcohol use 2 Attitudes 2 Children and violence 2 Children and war 2 Drug abuse 2 Education 2 Leisure 2 Mass media and youth 2 Political aspects 2 Politics and government 2 Prevention 2 Psychology 2 Recreation 2 Religious life 2 Research 2 Young adults 2 Youth movements 2 Adolescence 1 Advertising 1 less ...