A. Pharmacists deal with understanding the dosage and composition of drugs assigned to patients, suggest generic medicines to the patients, and check whether safety standards have been met or not. He also advises the patient's appropriate diet and lifestyle that should be maintained while taking the prescribed drugs. Moreover, he also looks after the shops, if run by him and also looks after the sales and marketing as well as distribution of drugs in and around his area. A healthcare provider with expertise in the use and administration of medications is a chemist. They provide patients with their prescriptions after getting a doctor's directions. Pharmacists have a thorough understanding of how medications interact with the body and function so that patients who take them get the best results possible. Therefore, the role of a pharmacist is very important.