Cinnamon ´s history:   

Cinnamon came from tropical Asia and was, mostly used in Sri Lanka and India. But now is grown in almost every tropical region of the world.  Cinnamon has a lot of medicinal uses and has found a prominent position in traditional medicines, especially in Ayurveda (a traditional Indian medicinal system).

Nutrition Facts:

Cinnamon is a great source of antioxidants. It is so rich in antioxidants that just a small pinch can double your antioxidant intake for one meal.  Also, it is one of the cheapest sources of antioxidants.
It also provides nutrition and it doesn’t have any calories. 

Health Benefits of Cinnamon: 

1- Improves Blood Circulation:
Helps to improve the circulation of blood. This helps to significantly reduce pain and ensures oxygen supply to the cells, which leads to higher metabolic activity.
It can even reduce the chance of suffering from a heart attack.

2- Aids in Digestion:
It helps for indigestion, nausea, vomiting, upset stomach, diarrhea, and flatulence. It´s very helpful in eliminating excess gas from the stomach and intestines,  it removes acidity and reduces the effects of morning sickness.

3- Eases Menstruation:
It provides relief from menstrual discomfort and cramping.

https://www.organicfacts.net/health-benefits/essential-oils/health-benefits-of-cinnamon-oil.html