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  • Adults with mental illness or substance use disorders consume more cigarettes than adults without substance use disorders. 

  • Approximately 1 in 4 adults in the U.S. has some form of behavioral condition and these adults consume almost 40% of all cigarettes smoked by adults. 

Alcohol: ​

  • Alcohol abuse can cause signs and symptoms of depression, anxiety, psychosis, and antisocial behavior, both during intoxication and during withdrawal. At times, these symptoms and signs, last for weeks, and mimic frank psychiatric disorders (i.e., are alcohol–induced syndromes).


  • Cannabis use is associated with the development of schizophrenia and other psychoses (loss of reality). The risk is highest for the most frequent users.

  • Heavy cannabis users are more likely to report thoughts of suicide than non-users.

  • Long-term cannabis users are more likely to develop social anxiety disorder than non-users.

  • Frequent and long-term cannabis use may be linked to worsened symptoms in individuals with bipolar disorder


  • Opioids are a class of drugs that include the illegal drug heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription, such as oxycodone (OxyContin®), hydrocodone (Vicodin®), codeine, morphine, and many others.

  • 14% of students reported misusing prescription opioids

Cocaine and Heroin:

  • 15% of high school students reported having ever used select illicit or injection drugs (i.e. cocaine, inhalants, heroin, methamphetamines, hallucinogens, or ecstasy)


  • People who gamble compulsively often have substance abuse problems, personality disorders, depression or anxiety. Compulsive gambling may also be associated with bipolar disorder, obsessive compulsive disorder (OCD) or attention-deficit/hyperactivity disorder (ADHD).

Food Addiction: 

  • Also known as, compulsive overeaters who engage in frequent episodes of uncontrolled binge eating. Binge eating refers to eating an unhealthy amount of food while feelings that one's sense of control has been lost. Because this addictive behavior is not biological, one cannot develop a trait that codes for an eating disorder, so professionals address this by providing behavior therapy. (wiki)


A substance use disorder (SUD) is a mental disorder that affects a person’s brain and behavior, leading to a person’s inability to control their use of substances such as legal or illegal drugs, alcohol, or medications. Symptoms can range from moderate to severe, with addiction being the most severe form of SUDs. 

Researchers have found that about half of individuals who experience a SUD during their lives will also experience a co-occurring mental disorder and vice versa. Co-occurring disorders can include anxiety disorders, depression, attention-deficit hyperactivity disorder (ADHD), bipolar disorder, personality disorders, and schizophrenia, among others.

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