Introduction The human brain is the most complex organ in the body. You need it to drive a car, to enjoy a meal, to breathe, to create an artistic masterpiece, and to enjoy everyday activities. The brain regulates your basic body functions enables you to interpret and respond to everything you experience, shapes your thoughts, emotions, and behavior.
The brain is made up of many parts that all work together as a team. Different parts of the brain are responsible for coordinating and performing specific functions. Drugs may affect the brain in many ways destroying the brains ability to do it’s job correctly and even affecting the way we act and live our lives.
How Drugs affect the Brain Drugs can alter important brain areas that are necessary for life sustaining functions and can drive the compulsive drug abuse that marks addiction. Some of the areas affected by the brain are the brain stem, Limbic system, and cerebral cortex. The brain stem controls basic functions critical to life, such as heart rate, breathing, and sleeping. The limbic system contains the brain's reward circuit it links together a number of brain structures that control and regulate our ability to feel pleasure. Feeling pleasure motivates us to