Metabolism revealed that fibre could be the secret to greater endurance. Eight runners were given low-fibre cornflakes and white toast with jam one morning, and high-fibre All Bran with fruit another morning. On each occasion the runners waited three hours

of anaerobic metabolism – where the lungs cannot transport enough oxygen into the blood to keep up with the muscles' demands – that performance will be impaired.Brain gain Although the New Hampshire researchers asked their volunteers to complete more than 25

, slowing performance. This decrease in capacity could amount to a loss of at least seven per cent in performance per decade. 30s Your metabolic rate slows by two per cent every decade after 20. That means that with each passing decade, you need to eat 100

of anaerobic metabolism – where the lungs cannot transport enough oxygen into the blood to keep up with the muscles' demands – that performance will be impaired.Brain gain Although the New Hampshire researchers asked their volunteers to complete more than 25

to your muscles more efficiently. This fires them up but also removes metabolic waste to keep the muscles healthy.RestSince, on average, you spend a third of your life in bed, a decent mattress is a must. Your bed needs to give you cushioning and support