coffee

If you're drinking a cup of coffee right now, treasure it. The global supply of coffee beans may soon shrink because of problems in coffee-growing areas of Brazil and Central America.

With supply threatened and demand strong, prices are taking flight. Wholesale coffee prices are up more than 60 percent since January — from $1.25 per pound of bulk Coffea arabica beans to $1.85 this week.

Many of us can barely make it through the morning without first downing a cup of hot coffee. It's become such a big part of our daily rituals that few actually give much thought to what it is that we're putting in our bodies.

To help us break down the little-known things about caffeine, NPR's David Greene spoke with Murray Carpenter, author of Caffeinated: How Our Daily Habit Helps, Hurts and Hooks Us. These are the things you probably aren't thinking about as you wait in line at your local coffee shop.

Caffeine is a drug. Treat it as such.

Despite caffeine's many benefits, there's a belief out there that a daily coffee habit can cause dehydration.

So is it true? Not according to the findings of a new study.

Researchers at the University of Birmingham in the U.K. studied the fluid levels of 50 men who had a habit of consuming about three to six cups of coffee each day.