What happens to brain size as I age?

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  1. Dr. Michael Roizen
     
    Dr. Michael Roizen answered:
    Your brain actually loses 10 percent of its weight between the ages of 20 and 90. We lose around 40,000 nerves per day, so by age 65 roughly one-tenth of our brain cells are gone. And the rate of loss is higher in the frontal brain region, which controls problem solving, the ability to think abstractly, and the ability to carry out multiple tasks simultaneously.
    More Related Answers from Dr. Michael Roizen
    Your brain actually loses 10 percent of its weight between the ages of 20 and 90. We lose around 40,000 nerves per day, so by age 65 roughly one-tenth of our brain cells are gone. And the rate of loss is higher in the frontal brain region, which... More