ONE DAY WHILE MY WIFE WAS DRIVING WITH MY 23 YEAR OLD DAUGHTER IN THE FRONT PASSENGER SEAT THEY WAS SITTING AT A RED LIGHT AND THE HEADREST BURST FORWARD HITTING MY DAUGHTER IN THE BACK OF THE HEAD. EVER SINCE THAT DAY SHE NOW HAS ISSUES WITH VERTIGO AND HAS DIZZY SPELLS AT LEAST 2 TIMES A MONTH.