AD·DIC·TION /əˈdikSH(ə)n/
a chronic relapsing behavior despitenegative consequences; the overwhelming urge to continue something you know is bad for you.
How addiction works…
DOPAMINE is a brain chemical that creates feelings of pleasure.
Drugs flood your brain with synthetic or "fake" dopamine. This creates a euphoric high.
Your brain gets used to the "fake" dopamine, so it
starts producing less & doesn't have as much of an
impact on the brain's reward system.
A person continues to use drugs, trying to restore the dopamine levels & get that
euphoric feeling again.
However, now a larger amount is needed and a person can become dependent &
powerless to not repeat the behavior.