How to Kick Your Caffeine Dependence for Good

An estimated 64% of Americans drink coffee every day, according to data from the National Coffee Association. In many ways, that's a healthy habit: research has found that coffee may boost longevity and decrease the risk of type 2 diabetes, heart disease and more.

But when the habit crosses the line from a pleasant pick-me-up to a daily necessity, the equation gets a little more complicated.