Brain abnormalities, which can develop from chronic drug abuse, can be a problem for people who are addicted and affect their ability to manage their emotions. It is also a disease that can cause relapses.


The brain releases excessive amounts of dopamine, which is the chemical messenger that most medicines use to function. Dopamine is released into the reward circuit, which causes the reinforcement of dangerous and pleasant behaviors. These behaviors are common among people.

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Another positive news is that drug abuse and addiction can be avoided. NIDA funded research found that preventative programmes such as schools, families and communities are helpful in preventing or decreasing drug use and addiction. While personal factors and cultural factors may influence drug use patterns, young people who see drug abuse as dangerous are more likely to stop using drugs. To help individuals understand the consequences of drug addiction, education and outreach is crucial. Children learn from their parents and caregivers.

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What brain changes can someone experience after using drugs?
Most drugs act on the "reward loop" in the mind, which leads to pleasure and infusing the brain with dopamine. A healthy reward system will encourage a person to perform the actions necessary for success, such as eating or spending time with family and friends. The reward circuit is responsible for triggering dopamine spikes that can lead to the reinforcement of unhealthy but still enjoyable behaviors, such as drug use. This leads to people engaging in the same activity again.

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To avoid dependence on pain medication, take the prescribed drug exactly as directed by your doctor. Inform your doctor about any drug addiction or misuse in your family. This will allow them to recommend the most effective medication for you.

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Biology. Around 50% of an individual's risk for addiction is determined by the genes they inherit from their parents. Other factors that can increase the likelihood of addiction and drug use include gender, ethnicity, and presence of mental illness.

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Over time, your brain adjusts to higher levels of dopamine. To get the same effect, you might need to take more medication. You may find that other activities, such as cooking and spending time with loved ones, provide less enjoyment.
If you take drugs for a long time, they can cause brain chemical changes and circuit alterations. These drugs can affect your judgment, decision-making ability, memory, learning ability, and judgement. Combining these brain changes can lead to you seeking out and using drugs in ways you cannot control.