Community prevention, which includes primary, secondary, and/or tertiary prevention, is unique to public health. Describe what each type of prevention focuses on when it comes to drug and alcohol use/abuse

a . Primary prevention is directed at preventing the initial use of drugs (e.g., drug-related education programs or anti-drug advertising).
b. Secondary prevention focuses on early identification of drug use and intervention before the progression to drug or alcohol dependence (e.g., drug testing).
c. Tertiary prevention includes substance abuse treatment.