According to research published in the journal Nutrition, Health & Aging, based on an analysis of 11 experimental studies involving over 38,000 adults, regular egg consumption significantly reduces the risk of cognitive decline, while also improving memory and linguistic flexibility.

So, why does this common food possess such significant power? The answer lies in the following five 'golden' nutrients:

Choline

Eggs are the richest source of choline. The body needs choline to produce acetylcholine, a neurotransmitter crucial for memory and mood regulation.

One egg contains approximately 150 mg of choline. Studies indicate that a deficiency in this nutrient increases the risk of Alzheimer's disease.

B vitamins

Eggs contain a range of B vitamins, especially B12, B9 (folate), and B2. Experts state these are "absolutely essential" for cognitive function. Severe deficiencies in B9 and B12 often lead to confusion, memory loss, and erratic mood changes.

Eating three to seven eggs per week may be key to maintaining mental clarity and preventing cognitive decline in old age. Photo: Bui Thuy

Complete protein and amino acids

Two large eggs provide approximately 14 g of high-quality protein. Notably, eggs contain all 9 essential amino acids that the body cannot synthesize on its own.

The protein in eggs includes tryptophan (a precursor to serotonin, the 'happiness hormone') and phenylalanine (which aids in dopamine synthesis), helping you focus and stay mentally alert.

Antioxidants

These two compounds are not only beneficial for eye health but also protect the brain from inflammation and oxidative stress. Recent studies show that high levels of zeaxanthin in the blood are closely linked to faster information processing and better memory in older adults.

Omega-3

While conventional eggs contain modest amounts of omega-3, 'omega-3 enriched eggs' can now provide up to 100 mg of DHA per egg. This nutrient enhances learning ability and improves blood flow to the brain.

You can boil eggs in batches and store them in the refrigerator to use with sandwiches or salads for a quick lunch.

Eating eggs with avocado or nuts helps the body better absorb the nutrients in eggs. Notably, eggs paired with smoked salmon create a perfect 'combo' for the nervous system.

One boiled egg served with a few strawberries and walnuts makes a polyphenol-rich snack that helps protect the brain from cellular damage.

While research continues to confirm the causal relationship, incorporating eggs into a healthy diet - alongside green vegetables and fish - is certainly a smart investment for your cognitive 'bank'.

My Y (According to Yahoo)