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Importance of Physical Health and Fitness in Longevity
Physical health is crucial for longevity, with key metrics including cardio-respiratory fitness as indicated by VO2 max, which strongly predicts lifespan. Building and maintaining physical strength, specifically grip and leg strength, are essential. Muscle quality and size also contribute positively to health outcomes. It is equally important to avoid negative health indicators such as obesity, metabolic diseases, and sleep disorders. Furthermore, maintaining proprioception, or the body's awareness of its position in space, is vital for preventing falls, especially after age 60. Loss of balance and sensory functions like smell, vision, and hearing can heighten fall risks, which can lead to severe consequences, including hip fractures. To support longevity, it is important to stay strong, fit, and conscious of one's body dynamics to avoid accidents and maintain overall wellbeing.