What Happens to Your Brain When You Eat Choline-Rich Foods Like Eggs

Verywell Health • January 25, 2026 • health

Key Points:

A study published in Aging and Disease found that people with obesity have significantly lower blood choline levels, which are linked to insulin resistance, inflammation, liver dysfunction, and early markers of neuronal damage associated with Alzheimer's risk.
Researchers noted that low choline and high neurofilament light (NfL) levels in obese young adults resemble patterns seen in older adults with cognitive impairment, suggesting early metabolic stress may impact brain health later in life.
The study was limited by its small, cross-sectional design and lack of demographic diversity, so it cannot establish causation or account for dietary and lifestyle factors; more research is needed to clarify choline's role in Alzheimer's development.
Despite uncertainties, experts emphasize the importance of adequate choline intake for brain

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