How Food Affects Brain Health | Drs Dean and Ayesha Sherzai

Genetic Factors

Genetic predispositions play a significant role in neurological diseases, but they are not the sole determinants. Dean Sherzai explains that while diseases like Huntington's are heavily genetic, Alzheimer's is only 3% genetically driven, with lifestyle factors influencing the remaining 97% 1. Ayesha Sherzai highlights that individuals with Down syndrome, who have a strong genetic model for Alzheimer's, can delay the disease through healthier living 1.

If you have a bad gene or bad genes for immune response, you're going to get overwhelmed faster. So don't do things that increases inflammation. What's the number one cause of chronic inflammation? Food.

--- Dean Sherzai

Understanding the distinction between dementia and Alzheimer's is crucial, as Alzheimer's constitutes nearly 70% of all dementia cases 2.

   

Lifestyle Impact

Lifestyle choices can significantly alter the expression of genes linked to neurological diseases. Ayesha Sherzai emphasizes that while Alzheimer's cannot be reversed once advanced, early intervention with healthy lifestyle changes can reverse some damage in its initial phases 3. Dean Sherzai notes that pushing Alzheimer's onset by just five years can drastically reduce its societal costs 3.

If we can push Alzheimer's back five years, the cost that I was quoting before will be demolished.

--- Dean Sherzai

The Sherzais' work in Loma Linda, a recognized Blue Zone, demonstrates the profound impact of lifestyle on brain health, with significantly lower dementia rates observed in this community 4.