It’s not just in the genes: the foods that can help and harm your brain

Our diet has a huge effect on our brain and our mental wellbeing, even protecting against dementia. So, what should be on the menu?

(Lisa Mosconi/ The Guardian) — As a society, we are used to the idea that we feed our bodies, and that our diet shapes our waistlines. But many of us forget that the same diet also feeds our brains, and that the food we give our brains shapes our thoughts and actions. I invested many years formally studying neuroscience and neurology, and have spent many more years as a scientist in those fields. Back when I started, most of my time was spent with medical journals. But 15 years into my research, much of my time is spent with cookbooks.

These books are essential to contemporary brain science. The recipes become food, and that food shapes our brains just as surely as it builds our bodies. Day after day, the foods we eat are broken down into nutrients, taken into the bloodstream and carried up into the brain. Once there, they replenish depleted storage, activate cellular reactions and become the very fabric of our brains.

The brain is the hungriest organ in the body, consuming more than 20% of your body’s total energy haul. At the same time, our brain cells are irreplaceable. Unlike the rest of the body, where cells are continuously replaced, the vast majority of brain cells stay with us for our entire lives – which means they are in need of extra care and nourishment. (…)

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