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
Barnstable County, Massachusetts. Barnstable County is a county located in the U.S. state of Massachusetts. As of the 2010 census, the population was 215,888. Its county seat is Barnstable. The county consists of Cape Cod and associated islands (some adjacent islands are in Dukes County and Nantucket County).