1 Applicant must be at least 18 years of age. 2  Applicant must be at least 21 years of age to haul hazardous materials.Applicant must be at least 21 years of age to drive interstate. Applicant must be at least 18 years of age. 2  Applicant must be at least 21 years of age to haul hazardous materials.
Each of these tragedies mobilized a cultural army of anti-bullying advocates, celebrities, the media and policymakers who have said -- or at least strongly implied -- that bullying can lead to suicide.
Social Anxiety Disorder as a Cause of Bullying. In the study published in Psychological Science, a team of researchers from George Mason University examined the ways in which various people respond to the emotional stresses caused by the presence of social anxiety disorder.