Which of the Following Is One of the Findings from the Nun

Which of the following is one of the findings from the Nun Study?

A) Positive emotions early in adulthood were linked to longevity.
B) Higher levels of idea density were linked with higher incidences of mild cognitive impairment.
C) Aerobic exercise was linked to greater telomere length in older adults.
D) Stimulating the brain with intellectual activity did not have any effect on the health of neurons.