In old age:
A) human brains are about the same weight as in adolescence.
B) human brains have increased in weight by 5 percent.
C) the brain shrinks only in people who have suffered from disease or injury.
D) human brains have lost about 5 percent of their weight.

Question

Quizplus · Accepted Answer

As humans age, it's common for the brain to decrease in size and weight. This shrinkage can amount to about 5 percent of its weight by the time a person reaches old age. This process is part of the natural aging process and is not solely attributed to disease or injury.

In Old Age