Onions are native to Asia and the Middle East. Onions are the most cultivated species of the genus Allium, which also includes garlic, and the cultivation goes back to over 5,000 years.

Onion is antiseptic, anti-biotic, anti-allergic, anti-inflammatory and antioxidant. Rich source of vitamin A, B, C, calcium, phosphorus, magnesium, sulphur, fibers and potassium.

Below are some of the health benefits derived from eating eating Onion http://flashinfong.com/onion-prevents-you-colon-cancers/