Examlex
Which of the following curves is not U-shaped?
Lonely
A complex and usually unpleasant emotional response to isolation or lack of companionship, which may include feelings of sadness, emptiness, or abandonment.
Mental Stimulation
Activities that engage, challenge, and enhance cognitive functions such as thinking, understanding, and memory.
Physical Exercise
A regimen or activity intended to improve and maintain physical fitness and health.
Old Age
A stage of life characterized by the decline in physical and sometimes cognitive function, typically considered to begin in the late 60s or early 70s.
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