Brain Nutrition Expert | The Foods That Protect Memory, Focus, and Longevity
What this video covers
A keynote Max Lugavere delivered at Jim Kwik’s Limitless Live event, released on the Kwik Brain podcast. Lugavere — a health journalist, not a physician, as he notes upfront — frames the talk around his mother, whose Lewy body dementia launched his career, and walks the audience through the Lancet dementia commission’s modifiable risk factors before making his dietary case: cut ultra-processed foods, prioritize protein, and lean on specific foods he says protect the brain and eyes.
Key points
- Lugavere cites the Lancet dementia commission’s estimate that 14 modifiable risk factors account for about 45% of Alzheimer’s cases — and argues even that is conservative, because it excludes factors like chronic use of anticholinergic over-the-counter drugs.
- He says ultra-processed foods now supply about 60% of the calories Americans ingest (roughly 50% in the UK), and cites a meta-analysis linking them to more than 30 harmful health outcomes and, in his words, “not one single positive health outcome” — including a 25% higher Alzheimer’s risk for every 10% increase in the ultra-processed share of the diet.
- Protein is his stated antidote: he calls it the most satiating macronutrient, notes roughly 30% of protein calories are burned off in digestion, and argues muscle is the body’s main glucose-disposal sink — which is why he says protein is “crucially important” for people on GLP-1 drugs to lose fat rather than muscle.
- He pushes back on red-meat warnings with a UK Biobank study of roughly 500,000 people in which every additional 50 grams per day of unprocessed red meat was associated with about a 20% lower risk of all-cause dementia, and a study linking higher animal-protein intake (seafood especially) to slower hippocampal atrophy.
- On creatine — found only in animal foods, he notes — he cites research linking dietary creatine to better cognition in older adults and a small pilot study of high-dose creatine in Alzheimer’s patients that improved every cognitive domain measured, while acknowledging it had no placebo group and a very small population.
- Eggs and fatty fish get star billing: he cites findings that one to two eggs a week were associated with roughly a 50% lower Alzheimer’s risk (an effect he says held even for APOE4 carriers, via the eggs’ phosphatidylcholine) and that people in the highest tier of red-blood-cell DHA had about a 50% lower risk.
- He champions dark leafy greens for their lutein and zeaxanthin — which he notes protect vision, a late-life dementia risk factor, and accumulate in the brain — citing MIND diet research from Rush University linking a daily bowl of greens to brains performing “up to 11 years younger,” and warns that daily antiseptic-mouthwash use may blunt the blood-pressure benefit of leafy-green nitrates.
- He closes on environment and Parkinson’s: filter drinking water (he favors reverse osmosis), buy organic for foods eaten regularly — berries, and wheat and oats, which he notes are sprayed with glyphosate as a pre-harvest desiccant — and run an air purifier, citing a trial in which bedroom purifiers slightly lowered blood pressure.