Source: Merriam-Webster.com

Prevalent- accepted, done, or happening often over a large area at a particular time: common or widespread

I can across this word in the text for the final exam for this course. I immediately recognized that I wasn’t familiar with this term. In the text, it stated, ” Attention deficit hyperactivity disorder is now the most prevalent psychiatric illness of young people in America…”. After researching this word the text was much clearer, and I understood it when it came up further on in the text.