But using performance-enhancing drugs — aka, doping — isn't without risks. Take the time to learn about the potential benefits, the health risks and the many unknowns regarding so-called performance-enhancing drugs such as anabolic steroids, androstenedione, human growth hormone, erythropoietin, diuretics, creatine and stimulants. You may decide that the benefits aren't worth the risks.
https://www.mayoclinic.org

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 abused 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.
https://recovergateway.org/substance-abuse-resources/drug-addiction-effects/

Young adults mid range from around to 20- 30 use drugs to cope with stress such as a lot of homework, bullying, having trouble sleeping, conflicts etc. They take the drug for the stress purpose and when they overcome the stress, they get addicted to the drug. They take it over and over again, never stopping and it can cause death, bad health, and can affect the brain and the cells in your body.

Stress can cause changes in the brain like those caused by addictive drugs. This suggests that some people who experienced stress maybe more vulnerable to drug addiction. Reducing stress in your everyday life is vital for maintaining your overall health, as it can improve your mood, boost immune function and allow you to be more productive. Stress has such a powerful impact on your well being because it is a natural response that is activated in the brain. Don’t take bad drug as always said because it can cause addiction and addiction is usually not so good.

Divorce rates in Australia are quite high as around 40% of families are likely to end up in a divorce. This is a very high rate and is very bad for children who may have witnessed this happening. When children see this, they get stressed out and may not be able to cope with the stress involved, they may also get bullied at school because of them not having a full family and this can build up there stress. When this happens, they are likely to take drugs as they would’ve had no other option.

When teenagers start high school, making the right friends are always essential. Making the wrong friends like friends who smoke or take drugs lead to problems where teenagers are forced by peer pressure to take drugs. Sometimes when they realise that they have made the wrong friends, it would have been too late and there would have been no turning back.