In one study on the effects of stress, dental students received one small puncture wound on the roofs of their mouths during their summer vacation and a second wound three days before their first major exam during the fall term. What were the findings of this study?

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The study found that wounds inflicted just before the major exam took 3 days longer to heal than wounds inflicted during summer vacation. This suggests that the stress of the upcoming exam had a negative impact on the students' immune systems and ability to heal. The other options about telomeres and telomerase activity are not mentioned in the study and are not relevant to the findings.

In One Study on the Effects of Stress, Dental Students