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Description
The HPA axis works through a sophisticated feedback loop: Hypothalamus (H): Located in the brain, it senses stress (physical, emotional, or chemical)

Most cognitive supplements or medications work at the level of neurotransmitter modulation they increase dopamine, acetylcholine, or serotonin availability

It works by modulating the neural circuits that produce deep sleep, specifically the delta wave patterns that characterize the most restorative stage of the sleep cycle
Both FXR1 and FXR2 (fragile X-related proteins 1 and 2) regulate adult neurogenesis and have been implicated in various neurological disorders, but the underlying mechanisms are not well understood 36

Oxidative stress in angiogenesis and vascular disease
