Alcohol & Substance Abuse Flashcards
DSM criteria for substance use disorder (SUD)
- Not to do with frequency/dose, diagnosis reflects impact of substance use
- Minimum of 2-3 criteria required for mild SUD, 4-5 for moderate, 6-7 for severe
What is tolerance
- Need for increased amounts of substance to achieve intoxication or desired effect
- Diminished effect with continued use of the same amount of substance
Direct physical health consequences of substance use
Liver, heart & lung damage, increased cancer risk
Indirect physical health consequences of substance use
Illness, injury, self-neglect, harm from risky behaviours
Consequences of substance use on mental health
Transient psychosis, depression & anxiety, worsens established illnesses
How many hospital admissions due to drug-related mental health were there in 2019/20
7027 (21% higher than 2009-10)
How many admissions to hospital in 2018/19 were due to drinking alcohol?
358,000 (increased since 2008/09)
How many adults aged 16-59 have taken drugs at some point in their lives?
35%
How many adults had taken an illicit drug in the last year?
9%
How many young adults (16-24) had taken an illicit drugs in the last year?
21%
How many men and women drink in a week
65% of men, 50% of women (prevalence increases w age)
How many men and women aged 55-64 drink above safe limits?
38% of men, 19% of women
What is comorbidity?
When 2 disorders or illnesses occur simultaneously in the same person (substance use and mental health problems are highly comorbid)
Rates of substance use for those with psychosis
50% use substances, 85% smoke cigarettes
Is psychosis or bipolar more common in UK
Psychosis!
What did Andreasson (1987) find about the use of cannabis before 18
6x greater chance of hospitalisation for schizophrenia at age 33
Birth cohort study started in 1970s (Dunedin)
Assessed childhood symptoms prior to cannabis and after exposure
Cannabis users before 15 had more schizophrenia symptoms at 26
Adolescents with COMT polymorphism were 10x more likely to have sz aged 26
Why can substance use be a consequence of psychosis
Self-medication