Roy had no formal medical credentials but was an advocate of integrating science, medicine, and spirituality. In the inaugural issue of the Journal of Ayurveda and Integrative Medicine Roy contributed the article "Integrative medicine to tackle the problem of chronic diseases". He noted that chronic illness debilitates the lives of many seniors, and that medical interventions are often futile. He said "little of nothing is being spent on preventative medicine", and cited the ayurveda concepts of "ahara" concerned with nutrition, and "vihara" with the conduct of life. He noted the exemplary work of Dean Ornish in addressing coronary artery disease as a hopeful innovation.
In 2010, close to the end of his life, Roy co-wrote an article in the Huffington Post called "The Mythology Of Science-Based Medicine" with nonscientists Deepak Chopra and Larry Dossey, which David Gorski characterized as "an exercise that combines cherry-picking, logical fallacies, and whining, raising the last of these almost to an art form."