Caffeine is generally safe to drink up to 400 milligrams a day, according to the Food and Drug Administration (FDA). That's equivalent to about four or five cups of coffee. For the average person ...

Over 7,000 miles on trail, our hiking columnist has tried coffee and caffeine in most every form imaginable. But the humblest one of all taught him something about himself.

The fragrant grounds wafted through Kansas City for over a century. From 1909 to 2012, the Folgers Coffee plant roasted coffee for the country and, at the same time, perfumed downtown Kansas City.