Beware the perils of caffeine withdrawal

Story Highlights

• Up to 90 percent of North Americans consume caffeine products every day
• About half will experience withdrawal syndrome if they don't partake
• Symptoms include headache, fatigue, sleepiness, inability to focus
• The higher the caffeine intake, the more likely a patient will suffer

This is important for dieters to remember a lot of us give up soda for the sake of cutting calories.