Mark Sloan is a notable author whose work has touched many lives. At the age of 12, he experienced the profound loss of his mother to cancer, a tragedy that later became his inspiration to help others. He has dedicated his life to ensuring that no child has to endure such a loss again.

Mark Sloan has written several influential books, including the 6x #1 international bestseller Red Light Therapy: Miracle Medicine, as well as two significant works on cancer: The Cancer Industry and Cancer: The Metabolic Disease. His books collectively feature over 2400 scientific and clinical references, offering a well-documented exploration of the root causes of cancer.