Concern is growing about synthetic cannabinoids found in THC vapes stronger, riskier, and unpredictable. These substances sometimes called fake weed have been linked to seizures, paranoia and even What is the HHC cannabinoid? Canna Health Amsterdam Psychiatrists say they are at a loss as to why HHC a legal cannabis like substance is still being sold in shops., A new study has found it's now the second most common drug linked to psychosis HHC Carts