Why does exercise help to reduce memory loss and brain decline in older adults?
a. Because exercise reduces our need to use medications, many of which cause damage to brain cells over time.
b. Because exercise stimulates neurons and actually helps the brain to grow new cells.
c. Because exercise helps increase the flow of oxygen and nutrients to the brain.
d. Because exercise helps to remove toxins from our system that are stored in fat cells.
Answer: C
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