Cocaine    Cocaine is a highly addictive stimulant. It appears as a white powder that can be smoked, snorted, or injected. The user feels a euphoric high that can last from a few minutes to a few hours. During this high, the user may experience:   • Increased energy and heart rate   • Insomnia   • Anxiety The user may also experience more severe symptoms that can occur even during the first use, such as:   • Cardiac arrest   • Overdose   • Addiction According to the Department of Health and Human Services (2004), 14.4% of U.S. adults nationwide have used cocaine at least once in their lifetime. The number of people seeking treatment for cocaine addiction has increased over the last two decades.   There are currently no medications used to treat this type of addiction; however, behavioral therapy (the process of breaking old habits) is a popular and effective means of treating addiction