Genetic predisposition accounts for 40-60% of the vulnerability to addiction, highlighting its nature as a medical condition.
Factors like early exposure, trauma, and socioeconomic conditions play critical roles in the development of SUD.
Addiction is a chronic, relapsing brain disorder characterized by compulsive substance use despite harmful consequences. Understanding the science behind addiction is essential for providing compassionate, effective care.
The brain's reward system evolved to reinforce survival behaviors. Addictive substances create a dopamine surge that far exceeds natural stimuli:
The brain's reward system evolved to reinforce behaviors essential for survival—eating, social bonding, reproduction. This system releases dopamine, creating feelings of pleasure and motivation.
Addictive substances hijack this system:
With repeated use:
| Stage | Brain Region | Experience | |-------|--------------|------------| | Binge/Intoxication | Basal ganglia | Pleasure, euphoria | | Withdrawal/Negative Affect | Extended amygdala | Anxiety, irritability, pain | | Preoccupation/Anticipation | Prefrontal cortex | Craving, loss of control |
How we speak about addiction affects patient care and recovery. Use person-first language to reduce bias.
| Instead of... | Say... | |---------------|--------| | Addict, junkie | Person with substance use disorder | | Clean/dirty (drug tests) | Positive/negative | | Abuse | Use, misuse | | Habit | Substance use disorder | | Relapse | Recurrence of use |
Remember: Addiction is a medical condition, not a moral failing.
The brain's reward system evolved to reinforce survival behaviors. Addictive substances create a dopamine surge that far exceeds natural stimuli:
How we speak about addiction affects patient care and recovery. Use person-first language to reduce bias.
Rajesh, 28, from a small town in Punjab, started using cough syrup containing codeine at age 19 with friends. By 22, he had progressed to heroin. He has tried to quit multiple times but returns to use when withdrawal symptoms become unbearable. His family is supportive but doesn't understand why he "can't just stop."
Discussion Questions:
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External links
Use one of the external tools below to explore "Understanding Addiction". Check clinical claims against approved sources.
External links
Use one of the external tools below to explore "Understanding Addiction". Check clinical claims against approved sources.