Answer: B) Rachel will have less fatigue and fewer colds than will Leah.
Explanation: According to scientific studies, long-term stress and pessimism are linked, so that pessimistic persons like Leah, who always see the worst, accumulate stress. On the other hand, it has also been scientifically proven that stress is a trigger for many organic diseases, including serious illnesses, and of course colds and pain in the body, head, shoulders, etc. Stress affects the immune system, so logically, pessimistic people are more susceptible to stress, and therefore colds, diseases, etc.