"ADDICTION"

addiction
/əˈdɪkʃ(ə)n/

noun
The fact or condition of being addicted to a particular substance or activity.
"he committed the offence to finance his drug addiction"

Synonyme: dependency, dependence, craving, habit, weakness, compulsion, fixation, enslavement; informalmonkey; informaljones
"he blamed Murray for his heroin addiction"