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With pumpkin-spice latte season in full swing, many Americans may be finding themselves waiting in line for coffee more than usual. While a cup of joe undoubtedly can give a jolt of focus to a fuzzy morning, it also has real side effects. Caffeine use disorder was added to the most recent edition of “The Diagnostic and Statistical Manual of Mental Disorders” as a condition for further study, and caffeine is the most-used drug in the world.
What are the signs that you’re addicted, and how can you kick the habit? One expert,…