By the time we reach 80 years of age,our brain weights an average of 5% less than it did when
we were younger adults.

Question

By the time we reach 80 years of age,our brain weights an average of 5% less than it did when 	
we were younger adults.

Quizplus · Accepted Answer

This statement is true. It is a natural part of the aging process for our brains to experience some shrinkage, which can lead to a 5% decrease in overall weight by the time we reach 80 years old. However, this does not necessarily mean that cognitive function is significantly impaired, as the brain can compensate for this loss through neuroplasticity.

By the Time We Reach 80 Years of Age,our Brain