"Octogenarian Triathlete and Doctor's Diet Tips for Longevity"

83-year-old neurosurgeon and triathlete Dr. Joseph Maroon shares four key diet principles that have helped him maintain his health and longevity: following a Mediterranean-style diet, avoiding ultra-processed foods and trans fatty acids, and eating less sugar. These principles have been linked to numerous health benefits, including lower risk of heart disease, cancer, and Alzheimer's disease.