Murray Carpenter, a journalist who lives in Belfast, talks about the world's most-used drug in his latest book, "Caffeinated: How our daily habit helps, hurts, and hooks us." 207
It's a drug that millions of the people use every day. Caffeine - which we most often associate with coffee - is found in a number of drinks. It helps with alertness and can affect mood. Murray Carpenter, a journalist from the town of Belfast, tracked caffeine across the globe and found some surprising facts and uses.
Check out: Murray Carpenter's Website
Caffeinated has: a Facebook page
Find the book: on Amazon