Examlex
What idea did Malthus champion that Darwin incorporated into his theory of evolution?
Withdrawn
A behavioral state characterized by a lack of social interaction and communication, often as a response to stress, anxiety, or depression.
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.
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