Drugs and Their Effects Biology Week 27 - Day 2 Drugs and Your Body A drug is any chemical taken into the body that alters normal body processes.
Many smokers say that smoking after a meal is relaxing.
The FDA's Center for Drug Evaluation and Research Website has lots of useful information. The most widely used drug in the world is caffeine. Check out stoned spiders . O 2 Caffeine is an alkaloid found in coffee, tea, chocolate, cocoa, and many soft drinks. The actions of caffeine on the body includes stimulation of the central nervous system and of gastric acid secretion, elevation of free fatty acids in plasma, basal metabolic rate increase, total sleep time decrease, and possible blood glucose level increase.