While not all health organizations consider caffeine addiction a clinical disorder, here’s the answer you’re probably looking for: Yes, you can form a dependence on caffeine. Quitting cold turkey can cause withdrawal symptoms like fatigue, depressed mood, and difficulty concentrating.Addiction is a powerful word, though, and thus, some experts are hesitant to put a dependence on caffeine—which doesn’t tend to drastically affect users’ lives—in the same category as other drug addictions.The American Psychiatric Association doesn’t yet consider caffeine dependence a substance use disorder—in 2013, they listed caffeine use disorder as a “condition for further study†in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5). Th