On Tuesday , 31 May 2005 , Suárez 's son , Adolfo Suárez Illana , announced on Spanish television that his father was suffering from Alzheimer 's disease , and could no longer remember his period as Prime Minister of Spain .
On 31 May 2005 , Suárez 's son , Adolfo Suárez Illana , announced on Spanish television that his father was suffering from Alzheimer 's disease .