Researchers at Queen's University Have Determined That Excessive Consumption of Alcohol

Researchers at Queen's University have determined that excessive consumption of alcohol can lead to an increase in unsafe sexual practices. What is the nature of the relationship between alcohol and sexual practices, in this case?

A) It is an indirect effect of alcohol, as alcohol leads to alterations in judgment, which then leads to poor decision making regarding safe-sex practices.
B) It is a direct effect of alcohol consumption, as alcohol makes individuals more sexually aggressive.
C) It is an indirect effect of alcoholism, as people who consume large amounts of alcohol also tend to have low levels of morality.
D) It is a direct effect of alcohol consumption, as alcohol leads to health problems including an increased vulnerability to sexually transmitted diseases.