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According to medical reviewers at Healthline, caffeine withdrawal is a recognized diagnosis that can affect anyone who regularly consumes caffeine and then stops. Symptoms typically begin 12 to 24 hours after the last dose and commonly include headache, fatigue, low energy, anxiety, irritability, depressed mood, difficulty concentrating and, less commonly, hand tremors. Researchers note that […] The post Caffeine withdrawal, how your brain reacts appeared first on Rolling Out .