There will be an increase in people using the drug and therefore a need to increase rehabilitation programs which will come at the cost of taxpayers and the government. Marijuana should be legalized only for those individuals over the age of eighteen. This decreases the likelihood of younger children buying marijuana. In the Christian faith the body is considered a temple of God and it is unholy to fill the body with toxins of any kind, regardless of age. These individuals are considered adults and are able to make their own decisions regarding drug use.
Health risks related to the use of drugs is a factor regardless of age.
Some individuals at the age of eighteen are unable to make responsible decisions.