Your great uncle Ryan, at 70 years of age, is starting to show signs of memory problems. He has difficulty remembering where he left his wallet and keys and sometimes cannot recall the names of his grandkids. If you know he has a good diet and does not drink or smoke, what disorder can you definitively rule out?

Question

Quizplus · Accepted Answer

Korsakoff's syndrome is primarily caused by a deficiency of thiamine (vitamin B1) and is often associated with alcohol abuse. Since your great uncle has a good diet and does not drink, you can rule out Korsakoff's syndrome.

Your Great Uncle Ryan, at 70 Years of Age, Is