Dr. Holt-Lunstad’s research is focused on the long-term health effects of social connection. Her work has been seminal in the recognition of social isolation and loneliness as risk factors for early mortality. Dr. Holt-Lunstad has worked with government organizations aimed at addressing this issue. She has provided expert testimony in a US Congressional Hearing, provided expert recommendations for the US Surgeon General Emotional Well-Being in America Initiative, and is currently a member of the technical working group for the UK Cross Departmental Loneliness Team. She also serves as a scientific advisor for the Australian Coalition to End Loneliness, the Foundation for Art & Healing, and research advisory panel for AARP Services, Inc., United Healthcare, and Rural Aging.