Scientists investigate the role played by genes and environment in multiple substance use
Scientists investigate the role played by genes and environment in multiple substance use Many drug addicts take not only one substance but rather several. Scientists at the Max Planck Institute of Experimental Medicine in Göttingen have investigated the role that genes and the environment play in the development of such multiple substance consumption or polytoxicomania. Their results show that, in addition to genetic factors, the accumulation of several unfavorable environmental factors causes people to slip into such an extreme form of multiple drug use. Among the risk factors were sexual ...