| A person with may decide not to meet up with friends if they plan to go to a smoke-free pub or restaurant | Using illicit stimulants, such as speed or ecstasy, might also encourage a disrupted sleep cycle, as a person might stay up late for several nights in a row to go to parties and use the substance |
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| An example of this overlap is when someone experiences the psychological effect of wanting to divert money from their regular food shop to purchasing a substance, and then not consuming enough nutrients | Regularly taking a substance can also cause physical damage, depending on the type of drug |
They may lead an individual to seek solitude and engage in the substance use disorder in secret.
21| Substance use disorder can have a drastically different impact on every individual | Regularly consuming excessive amount of alcohol can lead to chronic liver problems |
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| The delivery method of a substance can cause damage | Recognizing these signs can help a person with addiction receive the treatment they need |
Addiction is a disease with a range of harmful conditions and behaviors.
| Smoking a substance, for example, can damage the lungs | Last medically reviewed on October 26, 2018 © 2004-2021 Healthline Media UK Ltd, Brighton, UK, a Red Ventures Company |
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| While under the influence of some substances, a person with substance use disorder may engage in risky activities, such as fast and dangerous driving or violence | Symptoms of addiction that cause mental disorders include the following |
The signs and symptoms of substance use disorder can vary with the individual, the substance or behavior they are overusing, their family history, and their personal circumstances.
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