Having completed Family Practice training in California, Dr. Long has worked in multiple clinics and hospitals, and as an emergency medical director. He has applied these experiences to helping those who most need it. His experiences also include many dozens of medical missions on four different continents utilizing his special knowledge of tropical diseases to the benefit of rural populations in developing countries. He has shared this in-depth understanding of tropical diseases and disease prevention and treatment broadly through lectures to volunteer lay medical workers and with other doctors and nurses. In his current post, he is practicing family medicine on Catalina Island and in the Hawaiian Islands. He is additionally engaged in writing book for a mass, lay audience on health and nutrition so that readers can easily determine best strategies to care for themselves and to live healthy, vibrant lives.