Final answer:
Pharmacists in the US must hold a doctorate in pharmacy, be licensed by the state, and complete four years of education in a specialty pharmacy school. They use their knowledge of chemistry and biology to understand the effects of drugs on the body and provide valuable services to support health.
Step-by-step explanation:
A pharmacist in the United States must hold a doctorate in pharmacy and be licensed by the state in which they work. Most pharmacy programs require four years of education in a specialty pharmacy school. Pharmacists must have knowledge of chemistry and biology in order to understand the effects of drugs on the body. They can advise physicians on drug selection, dosage, interactions, and side effects, as well as educate patients on proper medication use. Pharmacists can work in drugstores, hospitals, and other medical facilities.