Ever noticed how some foods look like different body parts?

Ever noticed that some foods look like certain human body parts?  If so, it turns out you’re on to something and it’s called the Doctrine of Signatures theory. Dating back to the 16th century this ancient theory proposes that foods resemble parts of the body they have health benefits for. While the scientific jury is still out on this as a general rule, interestingly there are quite a few examples of there are that support the concept.



Slice a carrot crosswise and you’ll see that the insides mimic the human eye. Carrots are jam packed full of beta-carotene which converts into Vitamin A. Vitamin A is an important nutrient which enhances blood flow and function of the eye as well as reducing your chances of developing macular degeneration.

avocado, sliced avocado


Turns out your uterus and avocado have more than looks in common. The avocado is a great form of folate, which is important for reproductive health, cell growth and protection against neural tube defects.



The inside of a tomato has multiple chambers that bear a resemblance to the structure of the heart. Tomatoes have an important antioxidant called lycopene, which has been proven to have protective effects against heart disease. Tip: cooking your tomato enhances the potency of lycopene!



You might need to use your imagination for this one but clams and testicles have more than shape in common. Clams (and oysters!) are some of the richest sources of zinc and folic acid both of which have the ability to significantly improve semen motility.



Ever noticed the similarities between the shape of walnuts and our brains? Walnuts have ample amounts of Omega 3 fatty acids in them which play an important role in brain function.



Looking seemingly like a human bone, Celery can also play a role in bone health. This often overlooked vegetable is a great source of calcium and Vitamin K which are essential to boosting bone health and preventing osteoporosis.



The roundness of a lemon is similar to that of a female breast. Lemons contain a compound called limonoids, which scientists have discovered inhibits the development of cancerous cells, particularly in the human breast. Not keen on eating lemons? Opt for oranges and grapefruits which also contain limonoids.