Genius Foods

Genius Foods argues that the way we eat has a meaningful effect on cognitive function and on long-term brain health, and that dietary patterns common in industrialised countries are poorly suited to the brain. Max Lugavere, a science journalist and filmmaker who began this work after his mother developed a neurodegenerative illness, sets out to translate the research into practical eating.

The structure is a list of 10 foods he treats as anchors, among them extra virgin olive oil, avocados, eggs, dark leafy greens, wild salmon, almonds, blueberries, dark chocolate, broccoli and pasture-raised beef. Around them he builds arguments about blood sugar regulation and its effect on the brain, dietary fat quality, the role of polyphenols, the blood-brain barrier, sleep, exercise and time-restricted eating. He is critical of refined carbohydrates and industrial seed oils.

It is for readers with a family history of cognitive decline who want an actionable framework, and for anyone interested in the diet and brain literature written for a general audience.

On the evidence, the overall dietary pattern he recommends resembles the Mediterranean and MIND patterns, which have reasonable observational support for slower cognitive decline and some trial support for cardiovascular outcomes. That is a real foundation. The extrapolation is where care is needed. Evidence that any diet prevents Alzheimer's disease does not currently exist, and the book's confidence about individual foods and mechanisms outpaces the human data considerably. The seed oil argument in particular is presented as more settled than it is. Blood sugar and vascular health do matter for the brain, and that part of the case is sound. Treat the specific food-by-food claims as reasonable bets rather than established findings.