“People think of addiction as a psychological phenomenon. It is not a psychological phenomenon. There’s a psychological component to it, but there is a big neurological component to it,” Dr. Phil says. “It affects the brain in a big way.”

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In the video above from Thursday’s episode of Dr. Phil, Dr. Phil explains to a heroin addict how heroin affects the brain in many ways, including impairing memory and problem-solving skills, and decreasing your ability to make decisions and your ability to respond to stressful situations.

This episode airs Thursday. Watch more here.

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Today’s Takeaway: The First Step To Helping An Addict