(Source: Getty Images/ Thinkstock)Ideally, what most people would love to wake up to in the morning is a steaming cup of coffee. Runge was a 19th century German chemist, who performed an analysis on coffee beans and discovered the stimulating effects of caffeine. (Source: Getty Images/ Thinkstock) Today, coffee is decaffeinated in its unroasted stage when it is still green. While all these methods work effectively to an extent, there is no such thing as a completely decaffeinated coffee. Decaff coffee beans still contain caffeine content that is lower than one per cent.

Source: Indian Express September 20, 2018 10:47 UTC