The hidden health clues in the SHAPE of your food, from walnuts boosting your brain to celery strengthening your bones...

An ancient European philosophy known as 'The Doctrine of Signatures' suggests that plants, animals and minerals often contain clues in their shape, form or actions, which secretly tells us their purpose. 

Writing for Healthista , Carly Jade Cochrane reveals the 12 healthy foods which also look like the body part they benefit. Long stalks of celery (top middle) look like bones (bottom middle) and help to strengthen the skeleton. Walnuts (top left) warn off dementia while their wrinkles resemble that of a brain (bottom left). But slice a carrot in half (top right) and you'll see a pattern resembling that of an eye (bottom right).