The Colombian author, 85, who won the Nobel Prize for Literature in 1982, becomes frequently confused as a result of the condition and has been forced to put down his pen for good, according to his brother.
Giving a lecture to students in Cartagena, Jaime Garcia Marquez told them, "He has problems with his memory. Sometimes I cry because I feel like I'm losing him... He is doing well physically, but he has been suffering from dementia for a long time. He still has the humour, joy and enthusiasm that he has always had... It is a disease that runs in the family."