How to improve brain power without coffee

With our hectic lifestyles, it's incredibly common to feel a dip in concentration at work. Research has shown that when we're not concentrating, our brain'turns off'. Spending too long switched off could lead to premature ageing and early-onset dementia. But by making small changes to your diet and lifestyle, you can make a real difference to your brain power in just one week. Nutritionist Amy Morris offers seven easy steps you can follow to perform at your best everyday.