This may seem like a bit of weird one, but making small changes to your daily routine can make all the difference. Taking the stairs instead of the lift, getting off the bus/train/tube a stop early and walking, standing on alternate legs while washing the dishes or brushing your teeth… there are heaps if little things you can do every day to improve your strength, fitness and endurance. And it’s totally free!

Most of these things have environmental benefits, too – as this poster from the New York Department of Health tells us!