Alzheimer's disease patient Isidora Tomaz, 82, sits in an armchair in her house in Lisbon September 15, 2009. Several low income Portuguese families with Alzheimer's patients under their care are supported by Portugal's Alzheimer Association, a charity. Alzheimer Europe estimates the number of Alzheimer's patients in the European Union alone to surpass 7.0 million. REUTERS/Nacho Doce

Alzheimer's patient Isidora Tomaz is fed, carried and caressed by her husband Amilcar Dos Santos in their house in Lisbon, Portugal. 

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