Could lack of healthy fats make women’s brains more prone to Alzheimer’s?

New medical data show that low concentration of healthy fats in the form of omega-3 fatty acids such as DHA and EPA increases women's vulnerability to Alzheimer's disease.The omega-3 fatty acids are critical structural components of brain cell membranes. They help maintain membrane fluidity, support synaptic communication, and regulate inflammation — all factors in optimal brain function. Without these fats, neurons may be less effective at transmitting impulses, and the brain may be more susceptible to damage from oxidative stress and vascular insufficiency.Recent research has found that Alzheimer's disease patients are more likely to have significantly reduced levels of blood omega-3-related lipids than normal patients. These differences are less straightforward in men, suggesting that there could be a sex-specific risk factor. Other scientists observed that decreased lipid levels in women are associated with poorer performance on memory and cognitive tests.Why women? Postmenopause changes in hormones can alter lipid metabolism, decreasing the effectiveness with which healthy fat is metabolized and transported to the brain. Since women already live longer and consequently carry more lifetime risk of dementia, this biological vulnerability may be partially responsible for why Alzheimer's strikes them particularly hard.Doctors recommend, though, that while the association is strong, it is not yet cause and effect. Huge clinical studies are still needed to know if increased omega-3 intake can delay or stave off Alzheimer's in women. But since the cardiovascular benefits of omega-3s are established — and vascular health and dementia intersect so deeply — ensuring adequate intake is considered a reasonable preventive strategy.In short, a lack of healthy fats actually predisposes women's brains to Alzheimer's. Consume a diet with liberal amounts of omega-3 sources like oily fish, flaxseeds, and walnuts, or supplements under a doctor's guidance, as an easy means of keeping brain healthy, especially for those women at higher risk.Dr. Sachin Adukia, Senior Consultant Neurologist and International Award winning Researcher; Dr. LH Hiranandani Hospital, Powai, Mumbai