関連ワード:
does your brain shrink as you get older does your head shrink as you get older can your brain shrink as you get older does your brain atrophy as you get older can your head shrink as you get older does the human brain shrink as you get older does your head size shrink as you get older does your head get smaller as you get older is it normal for your brain to shrink as you get older does the brain shrink with age
