Not All Stevia Is Created Equally. Stevia can be grouped into three main categories: 1. Green leaf stevia: Of the various types of stevia, this is the least-processed, as the leaves have been dried up and ground into powder form.This form of stevia has been used throughout Japan and South America for centuries as a natural sweetener and health remedy.. Medication interactions: There are certain medications that interact in a negative way with stevia, including: 1  Lithium: Stevia can often act as a diuretic and prevent the bodyâs ability to rid itself of lithium.
population definition: Population is the number of people or animals in a particular place. (noun) An example of population is over eight million people living in New York City....
population(noun) the people who inhabit a territory or state. the population seemed to be well fed and clothed. population(noun) a group of organisms of the same species inhabiting a given area. they hired hunters to keep down the deer population.