Johnson & Johnson, together with its subsidiaries, is engaged in the research and development, manufacture, and sale of various products in the health care field worldwide. The company operates in three segments: Consumer, Pharmaceutical, and Medical Devices and Diagnostics. The Consumer segment offers a range of products used in the baby care, skin care, oral care, wound care, and women?s health fields, as well as nutritionals, over-the-counter pharmaceutical products, and wellness and prevention platforms under the various brand names. Products are marketed to the general public, as well as to retail outlets and distributors. The Pharmaceutical segment provides various products in the areas of anti-infective, antipsychotic, cardiovascular, contraceptive, gastrointestinal, hematology, immunology, infectious diseases, metabolic, neurology, oncology, pain management, thrombosis, and vaccines. This segment distributes its products directly to retailers, wholesalers, and health care professionals for prescription use. The Medical Devices and Diagnostics segment offers various products to treat cardiovascular disease; orthopaedic and neurological products; general surgery, biosurgical, and energy products; professional diagnostic products; infection prevention products; and disposable contact lenses. This segment distributes its products to wholesalers, hospitals, and retailers, used principally in the professional fields by physicians, nurses, hospitals, and clinics.