With our hectic lifestyles, it's incredibly common to feel a dip in concentration at work according to Daily mail.
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 every day.