The Healthy People 2010 Leading Health Indicators (LHIs) covered in this fact sheet include: Overweight and Obesity, Tobacco Use, Substance Abuse, Responsible Sexual Behavior, Mental Health, Injury and Violence, Immunization, and Access to Health Care. The LHIs includes a total of ten health indicators and were listed by the US Department of Health and Human Services to measure the health and well-being of the nation for this decade.