Mariah is behind on her coursework because of training for the upcoming tryouts for the swim team. On top of that, she broke up with her boyfriend last week. Monica, her twin sister, does not participate on a sports team and has plenty of time to get her homework done before her boyfriend visits most evening. Compared to Monica, Mariah is likely to experience:
a. more upper respiratory illness
b. better sleep
c. less joint pain
d. fewer incidence of cold-related symptoms

more upper respiratory illness    

Explanation:

The above case relates to the psychological effects that happiness in human body which eventually lead to physical stress or harm. In the given scenario, Mariah has been experiencing a tough time in her personal life which would eventually leads to mental stress.

Mental stress makes human body weak and lazy, thus, Maria will experience respiratory issues due to the extra efforts she needed to put during her upcoming tryouts.

More upper respiratory illness

Explanation:

Mariah is more likely to suffer from upper respiratory illness because of swimming. The person who is indulged in the tasks like swimming is more likely to suffer from upper respiratory problems.

There is a altered breathing pattern seen in the person performing swimming. The problems like rhinorrhoea, congestion, obstruction and sneezing are very common.

This affects the daily life of the people and difficulty in breathing is one of the greatest symptom seen in the swimmers.