In Germany, a new law went into effect Monday legalizing the personal possession of up to 25 grams of cannabis. It also allows individuals to cultivate up to three marijuana plants at home. Cannabis will remain illegal for anyone under 18, as some health professionals warn the new legislation could increase smoking among young people. At midnight Monday, people gathered at Berlin’s Brandenburg Gate for a “smoke-in” to celebrate. This is a supporter of the new law.

Felix Reimer: “If you really go into education instead of criminalization — and that’s the right way to go now — I think you can definitely bring awareness to it, because no matter what kind of consumption it is — alcohol, marijuana, maybe other things, too — the most important thing is always safer use and harm reduction. So always make yourself aware of what is actually a healthy dose. The dose makes the poison.”