Gio has always taken good care of his health and well-being. However, over the past month he has been feeling a lot of pressure at work. Gio finds himself scrambling trying to meet a deadline that is fast approaching. Which change in his behavior may indirectly affect his immune system?
A) Gio is worried he may lose his job and won't have enough money to pay the bills.
B) Gio does not get enough sleep because he is so busy working.
C) Gio begins to feel more pessimistic.
D) Gio finds that his anger is increasing.
