Something to chew on: Gum gives G.I.s a lift

http://www.nydailynews.com/front/story/392280p-332514c.html
"When you chew the gum, the caffeine is extruded into the saliva and is absorbed right through the tissues in the mouth into the bloodstream," said Dr. Tom Balkin of the Walter Reed Army Institute of Research."
"Dr. Marc Siegel, a Manhattan internist, said he doubts gum that has 100 milligrams of caffeine per stick poses a significant health risk to the troops - especially superfit Special Forces soldiers.
"Caffeine affects the body but these are healthy guys who shouldn't have adverse reactions to that kind of dosage," he said.""

Comforting.

- Vox