Sir Alex Ferguson has expressed his worries over a potential dementia diagnosis during a rare interview.The Scotsman is known for his legendary spell as Manchester United manager, where he won 13 Premier League titles, five FA Cups, four League Cups and two Champions Leagues.Ferguson, one of the all-time great managers, has admitted his worries over possibly being diagnosed with dementia after his playing careerGettyBefore such a glittering stint on the touchline, Ferguson played as a forward for clubs including Dunfermline Athletic, Rangers and Falkirk.He also won four caps with Scotland in a career that lasted around 17 years, and is now one of the most famous figures in world football.During his retirement, Ferguson has worked as an ambassador for Playlist for Life, a Glasgow-based charity that champions personal music playlists for those in dementia care.The 84-year-old is also an ambassador for Race Against Dementia, an organisation founded by the three-time Formula 1 world champion Sir Jackie Stewart that funds research into the condition.Ferguson’s brother Martin suffers from dementia and now, speaking to The Observer, he is concerned that it could impact him.What did Sir Alex Ferguson say about his health?“I worried about that myself because I headed the ball a lot,” he said openly when speaking about a charity dinner in aid of Race Against Dementia.“All footballers did. Dementia’s a challenge for anyone getting older. “You worry about it a lot. I always say to myself, ‘I’m 84 (laughing). If I get to 85, I’ll be all right.”On his brother, Ferguson added: “He recognises me, which is great. In Glasgow, they started a music thing (Playlist for Life), and the idea is that you give them a box with all your favourite songs in it. “They can just press a button to play them, and it brings all the memories back.”Ferguson has played a role in the fight against dementia through charity work as research for a cure continuesGettyDementia in footballAccording to Alzheimer’s Society, football is a sport that is associated with dementia alongside rugby and American football.Research has suggested that a reduction in head impact exposure is something that could less then risk of being diagnosed.Heading is common in football matches, whether it’s defenders who are clearing the ball or attackers looking to score.A 2023 study found that footballers have a 50 per cent increased risk of developing dementia in comparison to the rest of the population.EFL hero Dean Windass was diagnosed with the condition in 2024, and told talkSPORT he went for a brain scan due to a request from the son of late the England legend Nobby Stiles, John.Former United star David May has also revealed fears over dementia having estimated that he headed the ball around 20,000 times.