Youth Services for 183 Youth development 135 Political activity 32 History 30 African Americans 27 Civil rights 26 espandi ... Civil rights movements 26 Civil rights workers 26 Substance use 21 Adolescence 20 Prevention 20 Treatment 20 Health risk assessment 14 Parent and teenager 13 Civil rights demonstrations 12 Medical personnel and patient 11 Sexual behavior 11 Communication in medicine 9 Diagnosis 9 Health aspects 9 Mindfulness (Psychology) 9 Chronically ill 8 Medical care 8 Mental health 8 Psychological aspects 8 Stress management for teenagers 8 Substance abuse 8 Behavioral assessment of teenagers 7 Resilience (Personality trait) in adolescence 7 riduci ...