A dotFIT answered. The half-life, which is the time required by the body to metabolize or inactivate 1/2 of a substance activity, for caffeine (doses lower than 4.50mg/lb) ranges from 2.5 to 10hrs. Meaning, caffeine has little to no pharmacological effect after this time but may still be present in small amounts in the body.
Brewster (CDP), Massachusetts. Brewster is a census-designated place (CDP) in the town of Brewster in Barnstable County, Massachusetts, United States. The population was 2,000 at the 2010 census, out of 9,820 in the town of Brewster as a whole. Geography
Brewster County, Texas. Brewster County is a county located in the western part of the U.S. state of Texas. As of the 2010 census, the population was 9,232. Its county seat and only city is Alpine. The county is named for Colonel Henry Percy Brewster, a Secretary of War for the Republic of Texas. Brewster County is the largest county by area in the state, over three times the size of the state of Delaware, and more than 500 square miles bigger than Connecticut. It is one of the nine counties that comprise the Trans-Pec