However, Marijuana use has been able to show promise regarding other types of physical and mental health problems. The strain of marijuana, known as “ Charlotte’s Web ,” which is high in cannabidol (CBD) and low in THC, has provided a variety of results when it comes to suppressing seizures in animals, while human testing is still in development. Recently, a study presented at the American Academy of Neurology's annual conference found the extract CBD can potentially become a treatment for children with severe epilepsy due to its ability to reduce the number of seizures by half.
Opium smoking later spread with Chinese immigrants and spawned many infamous opium dens in China towns around South and Southeast Asia and Europe. In the latter half of the 19th century, opium smoking became popular in the artistic community in Europe, especially Paris; artists' neighborhoods such as Montparnasse and Montmartre became virtual "opium capitals". While opium dens that catered primarily to emigrant Chinese continued to exist in China Towns around the world, the trend among the European artists largely abated after the outbreak of World War I.  The consumption of Opium abated in China during the Cultural Revolution in the 1960s and 1970s.