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Reduced serum levels of brain-derived neurotrophic factor in adult male patients with autism

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While lipid export is enhanced in early disease stages, it decreases or plateaus with disease severity as hepatocyte metabolism becomes increasingly compromised

Nat Rev Endocrinol 22 , 153165 (2026)

But chronic psychological stress does elevate cortisol levels, which can impair ovarian blood flow, disrupt hormonal signalling, and increase systemic oxidative stress, all of which may affect the follicular environment. While acute stress is unlikely to damage egg quality, prolonged or severe stress may compound the effects of other risk factors