💡 The National Academy of Medicine classifies choline as an essential nutrient — yet most people don’t get enough.
2. Lutein & Zeaxanthin – Antioxidants That Cross Into the Brain
These carotenoids accumulate in the retina and brain tissue
They act as antioxidants, protecting cells from oxidative stress and inflammation — key factors in aging brains
Higher levels of lutein in the brain are associated with better cognitive performance in older adults
✅ Found in the yolk, making whole eggs (not just whites) valuable for brain support.
3. High-Quality Protein & B Vitamins
Eggs provide all nine essential amino acids — building blocks for brain chemicals
Rich in B12, B6, and folate, which help regulate homocysteine levels (high levels linked to dementia risk)
🔬 What Does the Research Say?
Several observational studies have explored the link between egg consumption and cognition:
University of Eastern Finland (2019)
Men who ate ~4 eggs per week had
no increased risk of dementia
; some showed slightly better cognitive performance
Chinese study (2022, Frontiers in Nutrition)
Older adults who ate eggs regularly scored higher on memory and processing speed tests
NHANES data analysis
Higher choline intake was linked to better verbal recall and executive function
✅ These findings are promising — but not proof that eggs prevent Alzheimer’s disease.
⚠️ Most evidence is observational, meaning researchers see a correlation — not cause-and-effect.
✅ How Many Eggs Should You Eat?
For most healthy adults:
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