Which of the following words means essentially the same thing as dementia?

There has been some reported abuse by young people of products containing _________, which they take in high doses to produce visual and auditory hallucinations

A. caffeine B. acetaminophen C. chlorpheniramine maleate D. dextromethorphan

William Masters and Virginia Johnson's research helped to overcome much of the superstition and ignorance about sexual arousal. However, their research had some limitations

Describe the limitations of Masters and Johnson's research that were discussed in your textbook. What will be an ideal response?