Answer:
They benefit society by treating patients and raising awareness of health related issues. They conduct research by examining healthy people and use what they learn to help others achieve the same. One subfield includes developmental psychology which is the study of how people grow and change over time.
Explanation:
Depression. Have a goal for each day and reward yourself for all the hard work you're doing.
Expected life events wont be as terrifying because you know they are coming unexpected life events could be deadly though cause i mean cancer is usually unexpected and it could go on for a while without you knowing. Hope this helps!