Johnson & Johnson is a holding company, which engages in the research and development, manufacture and sale of products in the health care field. It operates through the following segments: Consumer, Pharmaceutical, and Medical Devices. The Consumer segment includes products used in the baby care, oral care, beauty, over-the-counter pharmaceutical, women's health, and wound care markets. The Pharmaceutical segment focuses on therapeutic areas such as immunology, infectious diseases ad vaccines, neuroscience, oncology, cardiovascular and metabolism, and pulmonary hypertension. The Medical Devices segment offers products used in the orthopedic, surgery, cardiovascular, diabetes care, and eye health fields.