Though leafy green kale has become mighty popular in recent years, it has actually been nourishing people for more than 2,000 years! It was even a regular food in the Roman Empire and in the Middle Ages. It arrived in the U.S. in the 17th century.
Kale is full of antioxidants, Vitamins A and K, and is a good source of beta-carotene, which is an antioxidant essential for eye and skin health. It is a member of the cabbage family, which also includes other vegetables such as cabbage, Brussels sprouts and collards. Research suggests that eating vegetables like kale may help lower risk of certain cancers.
There are various types of kale to choose from. There is green, purple, white, and even dinosaur kale. Make an effort to pick out a bunch to try next time you’re at the supermarket!
Resource:
http://www.webmd.com/diet/features/7-fun-facts-about-kale