SInce we got a standarized regulations from OSHA and NIOSH, workplaces rarely give any health manual to their employees ( especially if the main jobs is being done behind the desk like accountant, shop keeper or Programmer). The best resources are the standardized regulations from OSHA or the one with experience in your workplace
Low levels of Serotonin, many doctors have found that patients with low levels of Serotonin suffered from depression. Serotonin can affect moods, which can lead to disorders.
