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
The Peabody Institute Library on Sylvan Street. Danvers is a town (and census-designated place) in Essex County, Massachusetts, United States, located on the Danvers River near the northeastern coast of Massachusetts. Originally known as Salem Village, the town is most widely known for its association with the 1692 Salem witch trials. It is also known for the Danvers State Hospital (one of the state's 19th-century psychiatric hospitals, which was located here) and for Liberty Tree Mall. As of the 2010 census, the town's population was 26,493.