When amphetamine withdrawal sets in, the brain and body go through a series of unpleasurable reactions. Because amphetamines share a similar structure to the brain’s pleasurable and positive natural hormones—known as neurotransmitters—amphetamine abuse causes the body to initially spike and then eventually lower its production of these important chemicals. AsContinue Reading

Personality changes can occur as drug dependency begins to take a physical hold on a dependent individual. Illegal drugs start to affect brain function—including the areas regulating cognition and mood—by altering chemical messengers in the brain known as neurotransmitters. While some illicit drugs create specific and predictable alterations in personality,Continue Reading