In their research, Dr. Grayson and his colleagues discovered a link between the number of daily hassles people experienced and psychological distress and physical ailments. One explanation for this phenomenon is that: A. people who are illness-prone are more likely to experience daily hassles. B. even a minor daily hassle produces more stress than a major life event. C. daily hassles tend to stimulate immune system responses and increase their effectiveness. D. while each minor stressor may be relatively unimportant in itself, the effect of daily hassles can be cumulative.

Answer: D.) D. while each minor stressor may be relatively unimportant in itself, the effect of daily hassles can be cumulative

Explanation: Daily Hassle in the context could be explained as physical trouble or inconveniences an individual undergoes usually on a daily basis. This hassle has become a part of one's life as it characterizes one's routine in terms of having to go to work in adults or working class, children or kids who have to go to school and have fun. Daily hassle culminate over time as it is often repeated and being incorporated as a normal routine. It encompasses different stress symptoms or signs such as body pains, headache and so on which may manifest occasionally. These individual symptoms may be addressed by taking drugs and overlooked, daily hassle is usually cumulative or piles up over time which if not addressed with enough relaxation and rest may result in physical ailment and psychological distress.