Bayer AG engages in the development, production, and marketing of pharmaceuticals and health care products, agricultural products, and specialty materials. The company operates in three segments: HealthCare, CropScience, and MaterialScience. The HealthCare segment provides prescription pharmaceuticals, such as for the treatment of hypertension, cardiovascular diseases, infectious diseases, cancer and multiple sclerosis, and contraception, as well as contrast media for use in diagnostic imaging; and consumer health products, including over-the-counter medications, dietary supplements for humans and animals, veterinary medicines, and animal grooming products, as well as diagnostic systems and medical equipment, including blood glucose meters and injection systems for diagnostic procedures. The CropScience segment offers crop protection products consisting of fungicides, herbicides, insecticides, and seed treatment products; and environmental and bioscience products for green industry, garden care, and non-agricultural pest and weed control, as well as seeds and plant traits. The MaterialScience segment provides materials, including plastics granules, sheets, and films; and polyurethanes for various applications, as well as coating and adhesive raw materials, and inorganic basic chemicals. The company also provides integrated services in the areas of information technology infrastructure and applications, procurement and logistics, human resources and management services, and finance and accounting; technology services, including development, planning, construction, and optimization of processes and plants; and services for the chemical industry comprising utility supply, waste management, infrastructure, safety, security, analytics and vocational training. It has operations in Europe, North America, the Asia Pacific, Latin America, Africa, and the Middle East. Bayer AG was founded in 1863 and is headquartered in Leverkusen, Germany.