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  2. Substance use disorder - Wikipedia

    en.wikipedia.org/wiki/Substance_use_disorder

    It is important when diagnosing substance use disorder to define the difference between substance use and substance abuse. "Substance use pertains to using select substances such as alcohol, tobacco, illicit drugs, etc. that can cause dependence or harmful side effects."On the other hand, substance abuse is the use of drugs such as ...

  3. Substance-related disorder - Wikipedia

    en.wikipedia.org/wiki/Substance-related_disorder

    Number with a drug use disorders by substance, OWID. Substance-related disorders, also known as substance use disorders, are a type of mental disorder that affects a person's brain and behavior, leading to their inability to control their use of substances like legal or illegal drugs, alcohol, or medications. The disorders can lead to large ...

  4. Substance abuse - Wikipedia

    en.wikipedia.org/wiki/Substance_abuse

    Substance abuse can be a factor that affects the physical and mental health of veterans. Substance abuse may also harm personal and familial relationships, leading to financial difficulty. There is evidence to suggest that substance abuse disproportionately affects the homeless veteran population. A 2015 Florida study, which compared causes of ...

  5. Addiction - Wikipedia

    en.wikipedia.org/wiki/Addiction

    Drug addiction, which belongs to the class of substance-related disorders, is a chronic and relapsing brain disorder that features drug seeking and drug abuse, despite their harmful effects. [31] This form of addiction changes brain circuitry such that the brain's reward system is compromised, [ 32 ] causing functional consequences for stress ...

  6. Alcohol abuse - Wikipedia

    en.wikipedia.org/wiki/Alcohol_abuse

    Signs of alcohol abuse are related to alcohol's effects on organ systems. However, while these findings are often present, they are not necessary to make a diagnosis of alcohol abuse. Alcohol use disorder causes acute central nervous system depression which leads to inebriation, euphoria, impulsivity, sedation and poor judgment. Chronic alcohol ...

  7. Post-traumatic stress disorder and substance use disorders

    en.wikipedia.org/wiki/Post-traumatic_Stress...

    Alcohol use disorder (AUD) is the leading cause of SUD amongst veterans who have experienced trauma. [7] While research indicates that alcohol is the most abused substance by those diagnosed with PTSD, additional substances with high abuse rates include other depressants such as cannabis and opiates, as well as the stimulant cocaine." [8]