20. Veterinary technologists and technician

Veterinary technologists and technicians perform medical tests in a laboratory environment for use in the treatment and diagnosis of diseases in animals and prepare vaccines and serums for prevention of diseases.

Median annual salary: $25,250

Overall unhealthiness score: 66.5

Top three health risks:

1. Exposure to disease and infections: 87
2. Exposure to contaminants: 82
3. Exposure to minor burns, cuts, bites, or stings: 77