“The best fish are those that swim in cold water and eat other fish, such as mackerel and salmon, sardines and anchovies. Herring and kippers are also excellent.”
If you’re following a vegan diet, you’ll be pleased to find out that algal or seaweed-derived omega-3 fatty acid, known as DHA, could also help protect your brain.
When it comes to B vitamins, the key candidates are B6, B12 and folic acid, according to the expert.
Professor Smith said: “Milk and dairy products are a good source of B12 and green leafy veg of folate, while again fish is a good source of vitamin B6, along with organ meats, potatoes and other starchy veggies.”
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