Stress
Maybe. It depends. Are you working at Monsanto in the gene-splicing department trying to help engineer a new, disease-resistant species of corn? Are you working for the CDC during a major, population-threatening outbreak? Then yeah, you might experience some stress.
Microbiologists spend a pretty significant amount of time hunched over in a lab looking through microscope lenses at very tiny squiggly things, which gradually drives them insane. At least that's what it would do to us.