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Depression is a disease that affects hundreds of millions of people worldwide. The World Health Organization (WHO) estimates that it impacts over 350 million people, making it the leading cause of disability around the globe. Fortunately, there are effective ways to treat depression. Unfortunately, stigmas, coupled with individuals' lack of access to medical treatment facilities, cause fewer than half of those affected to actually receive treatment. This is a serious issue, as studies indicate that depression actually gets worse (and harder to treat) if proper treatment is delayed.

Although this has been a significant issue for several decades, the recent death of Robin Williams has brought issues surrounding depression to the forefront of social consciousness. In order to effectively combat an issue, one must first understand it (it's kind of a, "know your enemy," kind of thing). With this in mind, the below video gives you a quick overview of the most important facets of the science behind depression.

WATCH: The Science of Depression

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