Drugs are chemicals. Different drugs, because of their chemical structures, can affect the body in different ways.
Depending on the drug, it can enter the human body in a number of ways, including injection, inhalation, and ingestion. The method of how it enters the body impacts on how the drug affects the person. For example: injection takes the drug directly into the blood stream, providing more immediate effects; while ingestion requires the drug to pass through the digestive system, delaying the effects.
Most drugs directly or indirectly target the brain’s reward system by flooding the circuit with dopamine. Dopamine is a neurotransmitter present in regions of the brain that regulate movement, emotion, cognition, motivation, and feelings of pleasure. When drugs enter the brain, they can actually change how the brain performs its jobs. These changes are what lead to compulsive drug use, the hallmark of addiction.
Drugs don’t just hurt the person taking them. Everyone connected to the person can get hurt:
Drug use can hurt people at any age, from any background, rich or poor.
Drug use can cause many problems:
More deaths, illnesses and disabilities stem from substance abuse than from any other preventable health condition.
A variety of health risks are associated with taking drugs, drug use can:
Effects On The Brain
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