関連ワード:
is it normal to be out of breath when walking is it normal to be out of breath when walking up stairs is it normal to be out of breath when walking and talking is it normal to be out of breath when walking up a hill is it normal to be out of breath when walking uphill is it normal to be out of breath walking upstairs is it normal to be out of breath after walking up stairs is it normal to be out of breath after walking is it normal to be out of breath after walking up a flight of stairs is it normal to get out of breath when walking
