An increasing number of states in the U.S. are easing policies on cannabis prohibition but little discussion has taken place in Japan on the potential benefits of adopting a similar approach. As various locations around the world celebrate annual April 20 marijuana festivals, we examine the country's historical and cultural links to the much-maligned weed.


When Junichi Takayasu was 3 years old, a picture book about ninjas changed his life forever. What fascinated him most, however, wasn't the assassins' stealthy skills or secret gadgets but their usage of a very special plant.