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“Optimal Aging & Keys to Longevity” is a short “Optimal Aging & Keys to Longevity” is a short, practical guide written by Dr. Robert S. Tan, a geriatrician and gerontologist, summarizing the essential habits and biological factors that promote longer, healthier lives. Drawing on decades of clinical experience and conversations with centenarians, the document explains that while genetics play a role, lifestyle choices—especially diet, exercise, emotional well-being, and avoidance of harmful behaviors—are the most powerful determinants of longevity.
The guide emphasizes small, moderate food intake, highlighting research showing that calorie restriction can extend lifespan. It warns against excessive salt, sugar, and processed foods, recommending fresh, antioxidant-rich foods such as fish, vegetables, green tea, almonds, olives, and red wine in moderation.
Dr. Tan stresses that exercise is one of the strongest anti-aging tools, capable of restoring declining hormones and maintaining muscle, strength, and bone density as people age.
He also notes that happiness, strong social connections, mental activity, and a purposeful life are all linked to living longer, likely due to beneficial hormonal and neurological effects.
The document identifies smoking as one of the most damaging behaviors—shortening life, increasing disease risk, and even causing genetic harm passed to future generations. It concludes by acknowledging that genetics set limits on lifespan, but healthy habits from early in life allow individuals to reach their full biological potential.... |