The Massachusetts Department of Public Health is operated by the government of the Commonwealth of Massachusetts. The department focuses on the improvement of the quality of lives of the general public. It operates a range of health promotion and disease prevention programs. The department specializes in primary care and family planning services. The Massachusetts Department of Public Health also administers several wellness and violence and injury prevention programs. The department is responsible for the improvement of environmental health. It conducts drug analysis and biological threat assessments through its laboratory sciences bureau. The Massachusetts Department of Public Health additionally offers early childhood and perinatal and emergency medical care services.