How many people have a gambling problem? That is the simple question posed by prevalence studies on gambling disorders. However, media reports and scientific articles reveal that this is not a simple issue. This Gambling Disorders 360˚ post is the first in a series called “Gambling Disorders Explained.” We are including these types of posts to help simplify and increase understanding of the different types of studies that exist about gambling disorders, as well as explain contributing factors to various research outcomes about this disorder.