apraxia - blurred vision - brainstorm - breathlessness - complete and utter confusion - constipation - deafness - forgetfulness - illiteracy - immobility - impatience - impossibility - impotence - inarticulacy - incapability - indecision - indecisiveness - inevitability - infertility - insomnia - invalidity - invincibility - lack of vision - lactose intolerance - lazy eye - loss of concentration - loss of speech - mental block - mental confusion - mental derangement - night blindness - paralysis - restlessness - sleeplessness - thick head - tunnel vision - wakefulness