Pharmaceuticals are chemicals and drugs that are used to treat, diagnose, and prevent a variety of diseases and conditions. The invention, manufacture, distribution, and research of these essential medical supplies are the focus of this massive industry. Pharmaceutical companies invest heavily in innovation in an effort to discover new drugs and find new uses for existing ones, ultimately leading to better public health and patient care. The pharmaceutical sector strives to improve access to life-saving medications worldwide while operating under strict regulatory guidelines that ensure the quality, safety, and efficacy of its goods.