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How does my body's use of oxygen change with age?

Dr. Vonda Wright, MD
Orthopedic Surgery
Getting oxygen from the outside air to inside your cells takes efficient collaboration among your lungs, heart, and the cells they feed. As you age, the efficiency of oxygen delivery, and therefore your ability to perform at a peak level, shifts. The changes in performance with aging are attributed to lower lactate threshold (the point of exercise intensity where the body starts accumulating lactate in the blood), lower exercise economy/efficiency, and lower VO2 max.

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