There are multiple theories indicating that the effect of hearing loss on the decline of mental health and dementia is significant. One recognized risk factor that scientists have long known is the effect of social isolation on those with hearing loss.
About 36 percent of middle school students reported being bullied, compared to 25.8 percent of high school students. Twenty-eight percent of freshmen were bullied at least once during the school year compared to 1 in 5 seniors.
There were about 45 school-associated violent deaths (not just by guns) at elementary and secondary schools each year between the 1992 and 2010 school years, according to the report. The highest annual total was 63 deaths in 2006-07, while the lowest was 31 in 2010-11.