Thallium Exposure to thallium occurs mainly from eating food. Exposure to higher levels of thallium may occur in the workplace. Breathing high levels of thallium may result in effects on the nervous system, while ingesting high levels of it results in vomiting, diarrhea, temporary hair loss, and other effects. In its pure form, thallium is odorless and tasteless. It can also be found combined with other substances such as bromine, chlorine, fluorine, and iodine. When it's combined, it appears colorless-to-white or yellow. Thallium is used mostly in manufacturing electronic devices, switches, and closures, primarily for the semiconductor industry. It also has limited use in the manufacture of special glass and for certain medical procedures.

Additional Sources of Thallium are: Air, water, food, coal burning plants, cement factories, smelting, cigarette smoke. Additional Effects of Thallium on Humans are: Numbness of fingers and toes, Male reproductive system may be susceptible, Stores in kidney and liver, Affects -nervous system -lungs -heart- liver- kidney, Alopecia, vomiting, diarrhea