John J. Ratey

John J. Ratey is an American psychiatrist, author, and clinical professor at Harvard Medical School. He is best known for his work in the field of attention deficit hyperactivity disorder (ADHD) and the neuropsychiatry of exercise. Ratey has written several books on the brain and mental health, including Driven to Distraction, co-authored with Dr. Edward Hallowell, which brought widespread attention to ADHD.

His book Spark: The Revolutionary New Science of Exercise and the Brain explores the connection between physical exercise and brain function, highlighting exercise as a powerful modulator of mental health. Ratey’s work has helped to elucidate the complexity of mental disorders and the impact of lifestyle on brain health.