A factory worker presented with tremors, personality change and a blue line in gum. Probable diagnosis is chronic poisoning with:
Lead
Mercury
Arsenic
Thallium
Ans. (B). Mercury.Mad hatter disease is an occupational disease among hatmakers, caused by chronic mercury poisoning.Mental confusin, emotional disturbances, and muscular weakness, Intentional tremor (Hatter's shakes)
Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques