Coffee and tea aren't the only caffeine culprits out there.
By Reina Berger
Ever notice your heart racing and your hands shaking even when you haven't consumed any coffee or tea? Caffeine is sneaking up in all sorts of surprising places these days. If you want to avoid an unwanted buzz, check out our list of the top five surprising foods that have caffeine in them. Too much caffeine can cause anxiety, increased thirst, insomnia, fevers, headaches, irregular heartbeats, and difficulty breathing. Keep this list handy to steer clear of any health problems and ensure your caffeine consumption stays under control.
More: The 7-Day Caffeine Detox
While you may be enjoying a piece of chocolate purely to satisfy your sweet tooth, you may also get a secret hit of caffeine in the process. The darker the chocolate, the more caffeine it tends to have, so keep that in mind when you choose your next treat. For example, there are 43 milligrams of caffeine per 100 grams of dark chocolate, and 14 milligrams of caffeine per 100 grams of some milk chocolate candies.