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Bryan Howard completed the lesson Addiction Is a Brain Disease: The Reward System 3 years, 3 months ago
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Bryan Howard completed the lesson Addiction Is a Brain Disease: Neurotransmitters 3 years, 3 months ago
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Bryan Howard completed the lesson Addiction is a Brain Disease: Introduction 3 years, 3 months ago
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Bryan Howard completed the lesson How do Addictions Form? 3 years, 3 months ago
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Bryan Howard started taking the course Addiction 101 3 years, 3 months ago
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Bryan Howard joined the group Addiction 101 Students 3 years, 3 months ago
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Bryan Howard became a registered member 3 years, 3 months ago