There is no magic pill which improves memory or brain health. But we can kick start improvements ourselves by taking positive steps. Regular exercise like taking a brisk walk in the park or physical activities like gardening can nourish our brain and recharge batteries, galvanising brain power. Medical studies reveal that the fitter you are, the healthier your brain becomes. And if you flex your legs with a friend, all the better; staying socially active also polishes your thinking machine. Exercising 3 times a week in people aged over 65 has been linked with a reduced risk of developing dementia. Yet another way to top up memory and all round brain health is to put your mind in gear with mental stimulation. You don’t have to learn quantum physics though; everyday activities such as going to work, playing cards, and playing music count will sharpen your brain. Just make sure it’s a little difficult – you shouldn’t be able to do it on autopilot – yet still enjoyable. Finally, it is becoming clearer that foods that will save your heart also pay dividends upstairs, so you can eat your way to a better brain.