Hot or Cold - tea is a terrific choice Next to water, tea is the most widely consumed beverage in the world. On any given day, over 159 million Americans are drinking tea. There are two main types of teas: true and herbal. The difference between the main types of true teas is the stage of growth at which the tea leaves are harvested, and the processing methods used after. Herbal teas, on the other hand, are made by infusing fruits, roots, herbs, leaves, and stems of a variety