Osbourne opposes legal marijuana, having seen her husband and children battle drug addictions. She believes it will end in disaster for society in the long term:
I have big resentments that this is happening (sic). Anything that alters your mental state I don’t think should be allowed. … You can say prescribed medication can alter your mental state but I don’t agree with it all. The next thing I am waiting for is when someone is working heavy machinery, when they are driving a car. It is all going to end in tears.