Click on a place to view Sham immigration records. The information for this chart came from the U.S. Immigration Collection at Ancestry. You can find out where the majority of the Sham families were living before they immigrated to the U.S and learn where to focus your search for foreign records. Immigration records can tell you an ancestor's name, ship name, port of departure, port of arrival, and destination.
Indeed, for the large majority of people, marijuana is a terminus rather than a so-called gateway drug. New evidence suggests that marijuana can function as an exit drug helping people reduce or eliminate their use of more harmful drugs by easing withdrawal symptoms.
Marijuana âdoes not appear to be a gateway drug to the extent that it is the cause or even that it is the most significant predictor of serious drug abuse,â the Institute of Medicine study said. The real gateway drugs are tobacco and alcohol, which young people turn to first before trying marijuana.Although few marijuana users develop dependence, some do,â according to the study. âBut they appear to be less likely to do so than users of other drugs (including alcohol and nicotine), and marijuana dependence appears to be less severe than dependence on other drugs.â.