Are Thoresen was born in Norway in 1952. A doctor of veterinary medicine, he has also studied anthroposophic medicine, homeopathy, acupuncture, osteopathy, and agriculture. Since 1981, he has operated a private holistic practice in Sandefjord, Norway, for healing small animals and horses, as well as people. He has lectured widely, specializing in veterinary acupuncture, and has published dozens of scholarly articles. Since 1984, he has treated cancer patients, both human and animals, which has become the focus of much of his recent research. He is the author of Demons and Healing and other books on complementary medicine.