Betel nut is a combination of three ingredients. People roll small pieces of the nut from Areca catechu, more commonly called betel palm, in a leaf from the Piper betel vine, then add powdered slaked lime or limestone paste, and chew it.

If the low-fat diet craze made you write off almonds as unhealthy, fatty fare, consider re-adding almonds to your diet. Consuming a diet rich in nuts, including almonds, benefits your cardiovascular health, and can halve your risk of suffering a heart attack, according to the Harvard School of Public Health.