Are chemists more liekey to get cancer?

Not necessarily: It depends on the kind of chemicals they are exposed to, the duration of exposure. The proper use of the safety measures. At the end their risks could mirror the risks of th2 population at large.

Not necessarily: It depends on the chemical and extent of exposure to the chemical. Sodium chloride is a chemical but working with it does not increase risk of cancer. Exposure to benzene is associated with leukemias. Arsenic exposure increases skin cancer, others are: radon, polycyclic hydrocarbons, cadmium - lung cancer, aniline dyes - bladder cancer, etc.