Recreational cannabis sales will launch in Hannover and Frankfurt next year under a pilot program set to last five years. The German news service Tagesschau reported that the mayor’s office said that around three such stores will open in Hannover, according to Benzinga’s translation. A similar model will be introduced in Frankfurt. A recent study conducted by Sanity Group, one of Germany’s leading cannabis companies focusing on medicinal marijuana, CBD wellness products and adult-use cannabis, confirmed that approximately 80% of cannabis sourced from the illegal market is contaminated with ban…