Being addicted to drugs is way easier than being addicted to video games.
If you overdose on cocaine you can have a stroke and be killed.
There are ,any illegal drugs. Such as heroin or cocaine if you are caught with them you can get prison time and or fined.
If you work for law enforcement or even a firefighter you can get a random drug test and if there is something like cocaine or marijuana in your system you can lose your job and if you lose your job you can't pay your bills so you won't have a home.
If you are an addict your parents could just kick you out. Or your parents could kick you out the legal way and hire an attorney and give reasons why you should be kicked out. But either way being a drug addict and living with your parents could get you kicked out.