The research finding of a negative correlation between smoking and neurocognitive disorder due to Alzheimer's disease is generally interpreted to mean that
A) research findings are sometimes in error.
B) nicotine protects against neurocognitive disorder due to Alzheimer's disease for most people.
C) smoking may be helpful in protecting people at high risk for Alzheimer's disease.
D) smoking may shorten the lives of smokers so they do not live long enough to develop neurocognitive disorder due to Alzheimer's disease.

Question

Quizplus · Accepted Answer

The negative correlation between smoking and neurocognitive disorder due to Alzheimer's disease means that smokers are less likely to develop the disorder. However, this does not imply that smoking is beneficial as it has numerous other negative health effects and may shorten the lifespan of smokers. Therefore, the best answer is D.

The Research Finding of a Negative Correlation Between Smoking and Neurocognitive