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.
In Mexico, the middle school system is called Secundaria and usually comprises three years, grades 7â9 (ages: 7: 12â13, 8: 13â14, 9: 14â15). It is completed after Primaria (Elementary School, up to grade 6: ages 6â12.) and before Preparatoria/Bachillerato (High School, grades 10â12 ages 15â18).