Heather would like to learn to change her behavior and resolve problems with her husband. heather would most likely benefit from

Psychotherapy

Explanation:

Psychotherapy refers to the use of psychological methods in order to help a person change behaviours. This practice is also employed to help a person improve the way in which they deal with the world, as well as resolve some of their personal problems. By improving her problematic behaviours, Heather would most likely also be able to resolve some of the problems that she has with her husband.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.