DHEA Brain Benefits refer to the neurobiological and cognitive advantages conferred by the neurosteroid dehydroepiandrosterone (DHEA) and its sulfated form, DHEA-S, within the central nervous system. These advantages encompass improvements in mood stability, enhanced memory function, and general neuroprotection against age-related decline. DHEA acts as a precursor to other sex steroids and also has direct, independent actions on neural signaling pathways.
Origin
The concept emerged from research in neuroendocrinology, which identified DHEA and DHEA-S as among the most abundant steroids in the human brain, independent of adrenal secretion. Clinical interest grew as studies correlated declining DHEA levels with cognitive impairment and mood disorders in aging populations. The term focuses on the non-peripheral, direct effects of this steroid on neural tissue.
Mechanism
DHEA exerts its beneficial effects by modulating various neurotransmitter systems, notably acting as a positive allosteric modulator of the GABA-A receptor and an antagonist of the NMDA receptor, influencing both inhibitory and excitatory signaling. It also promotes neurogenesis, the creation of new neurons, and possesses anti-inflammatory properties within the brain tissue. These actions collectively support synaptic plasticity and neuronal survival, underpinning enhanced cognitive function.
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