“The medical literature tells us that the most effective ways to reduce the risk of heart disease, cancer, stroke, diabetes, Alzheimer's, and many more problems are through healthy diet and exercise. Our bodies have evolved to move, yet we now use the energy in oil instead of muscles to do our work.”

Canadian academic, science broadcaster, and environmental activist

David Suzuki is a Canadian academic, science broadcaster, and environmental activist. He is known for his work on nature and the environment, and for presenting science to a broad audience. Suzuki earned a PhD in zoology from the University of Chicago in 1961 and taught in the genetics department at the University of British Columbia from 1963 until his retirement in 2001. Since the mid-1970s, he has been recognized for television and radio series, documentaries, and books on nature and environmental issues, and he hosted and narrated CBC Television's The Nature of Things until 2023.