Many other factors can lead to the continuous abuse to substances. Substance abuse is a growing problem in the U.S. today caused primarily by genetics, the environment, and mental disorder. One of the primary reasons for the growth of substance abuse in the United States is genetics. A small percentage of the population may hold genes that contribute to the addiction to drugs and alcohol. These gene does not necessarily make someone addicted to drugs, but they are more susceptible to drugs. Now this doesn 't mean that everyone who is carrying this gene will abuse drugs. It just means that
Many other factors can lead to the continuous abuse to substances. Substance abuse is a growing problem in the U.S. today caused primarily by genetics, the environment, and mental disorder. One of the primary reasons for the growth of substance abuse in the United States is genetics. A small percentage of the population may hold genes that contribute to the addiction to drugs and alcohol. These gene does not necessarily make someone addicted to drugs, but they are more susceptible to drugs. Now this doesn 't mean that everyone who is carrying this gene will abuse drugs. It just means that