DAVID WOODFALL IMAGES / SCIENCE PHOTO LIBRARY DAVID WOODFALL IMAGES / SCIENCE PHOTO LIBRARY
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Alzheimer's couple and carer. Carer helping a couple outside a care home. The woman has Alzheimer's disease. This neurodegenerative disease is a common cause of dementia in the elderly. It is caused by the formation of protein plaques in the brain. The symptoms include memory loss, personality changes and confusion. Photographed at the Bron y Graig care home, Wales.
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