Alzheimer's is the most common form of Dementia, the general term for loss of memory, language, problem-solving and other thinking abilities.The condition affects around 55 million people.The 85-year-old opened up the symptoms he suffered from and how she felt as if he was already "gone".The Call The Midwife star began by highlighting that the disease affects people differently."You have to find a way of dealing with it," she explained."My husband had vascular dementia and died 20 years ago."'Biggest problem' George Clooney details 'tragic' day with daughterWith this form, she said oxygen wasn't getting to his brain because of circulation.The actress added he used to have hallucinations and "eventually this person who was my husband was not.
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