Waa ey ku ciyaaraan calalinta qallafsan oo leh hawlo nadiifin ah oo ilkaha ah, ilka tumaya, ka saarista calculus, ilaalinta caafimaadka ilkaha, dib u soo celinta walwalka, xoojinta tababarka, hagaajinta IQ, jiidista isdhexgalka, dila wakhtiga caajiska ah iyo qaybinta cuntada tooska ah.