Identical Twins Howard and Harold Both Retired at Age 66

question 88

Multiple Choice

Identical twins Howard and Harold both retired at age 66. Howard liked to spend some of his leisure time solving challenging math and word puzzles, while Harold preferred to watch TV. Based on research findings, how does this relate to their respective risk of developing Alzheimer's disease?​

• A) ​Their risk would be identical as they were identical twins.
• B) ​Harold would have a higher risk due to his leisure activity.
• C) ​Howard would have a higher risk due to his leisure activity.
• D) ​Their risk would not differ on the basis of a leisure activity.

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