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The existence of the Hayflick limit disproves the theory of the genetic clock.
Cortisol
A steroid hormone released by the adrenal glands in response to stress or low blood glucose; plays roles in metabolism, immune response, and stress management.
Neuroendocrine System
A system that involves the interactions between the nervous system and the endocrine system, regulating hormone release and maintaining bodily homeostasis.
Monoamine Neurotransmitters
A category of neurotransmitters, including serotonin, dopamine, and norepinephrine, which are involved in regulating mood, arousal, and emotion.
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