- An estimated 13 million Americans use amphetamines without medical supervision.
- Approximately 15% of 10th and 12th graders surveyed had ever used amphetamines without a prescription.
- Random toxicologic screens done in emergency departments found amphetamines in about 2% of cases.
- In one study at San Francisco General Hospital from 1975-1987, approximately 25% of seizures were found to be caused by amphetamine use.
