I think a lot of individual factors affect a person's ethical behavior at work, such as knowledge, values, personal goals, morals and personality. The more information that you have about a subject, the better chance you will make an informed, ethical decision.
Incubation period: In medicine, the time from the moment of exposure to an infectious agent until signs and symptoms of the disease appear. For example, the incubation period of chickenpox is 14-16 days. In biology, the incubation period is the time needed for any particular process of development to take place.
Yes, as it can help out in sticky situations. For example, out hiking and a snake bites you, you will know how to limit the poisoning.