Reuters HealthDay reported on June 1, 2006 on a study done by the U.S. Institute of Justice that 2/3rds of sexual assaults happened to victims who were using drugs.
Here is part of what the Reuters HealthDay report has to say:
Drug use was a factor in nearly 62 percent of sexual assaults, and nearly 5 percent of victims were given "date-rape" drugs, a new U.S study finds.
"In some cases, the substances are taken voluntarily by the victims, impairing their ability to make decisions. In other cases, the substances are given to the victims without their knowledge, which may decrease their ability to identify a dangerous situation or to resist the perpetrator," study author Adam Negrusz, an associate professor of forensic sciences at the University of Illinois at Chicago College of Pharmacy, said in a prepared statement.
His team's study included 144 sexual assault victims who sought help at clinics in Texas, California, Minnesota and Washington state.
This study did not appear to include alcohol and if we added that to the study the percentage of victims impaired in some way would be even higher.
These findings should not be used to "blame the victim", but they are important in educating people about the negative consequences of drugging and hanging around with people that do.