In addition, walnut oil could ameliorate the in vitro Alzheimer's disease model on SH‐SY5Y cells by increasing acetylcholine (ACh) level and decreasing oxidative stress, protein oxidation, tau protein levels, and acetylcholinesterase (AChE) activity (Demirel et al. 2024). This evidence concerns the gene MAPT and early-onset autosomal dominant Alzheimer disease.