Cannabis-induced psychosis: Amid push for legalization, sister says brother 'was lost to us for a decade’

"But have they told us about the physical side effects, the mental side effects and the increased problems to society?"
"What they want to legalize is ultra-high potency THC products," Swan, of California, told Fox News.
"It is absolutely not natural and it hasn't been for quite some time," Swan, who smoked marijuana occasionally as a teenager, told Fox News.
According to the Psychiatric Times, cannabis-induced psychosis is a possible side effect of excessive marijuana consumption.
Swan rarely used cannabis following the negative experience.
But her brother, K. Anderson, once enjoyed the "fun house" effect the drug gave him, Swan told Fox News.
The amount of drug used, the age at first use, and genetic vulnerability have all been shown to influence this relationship."
Swan and her brother finally reconnected when Anderson contacted his sister after finishing a year in jail and receiving treatment in a rehab facility.
It wasn’t until almost a year later that Swan realized her brother suffered from an undiagnosed mental illness.
Swan said witnessing the rise in homelessness in California post-legalization is what made her interested in researching the topic originally.
"Even the proponents of legalization say that young people shouldn't use it, but the young people are using it and it's being marketed to them," Swan told Fox News.
"We have all seen the agony of a young person arrested with a small amount of marijuana in his or her pocket.