500
List some ways to tell if a college student is abusing drugs.
Decreased interest in classes and extracurricular activities
Drastic change in grades or academic performance
Shifts in sleeping patterns or fluctuations in weight
Time spent in new social circles, especially among those who have a reputation of abuse
Withdrawing from friends or acting secretive
Unexplained changes in behavior or personality
Uncharacteristic mood swings, depression or irritability