Teachers and librarians have the lowest suicide rate while farmers and fishermen have the highest, according to a CDC study of 12,300 suicides in 17 states in 2012. Why the discrepancy? Researchers say "job-related isolation and demands, stressful work environments, and work-home imbalance, as well as socioeconomic inequities" likely play a role, per the AP. Here are the 10 fields as grouped by the CDC with the highest rates, based on the number of suicides per 100,000 workers: