Mr Brown is raising money and awareness for Neuroscience Research Australia and The Alzheimer's Society.
However, Susanne Sorenson, from the Alzheimer's Society, had some words of cheer for partnerless people.
In the Alzheimer's study, though, there was no increase in heart risk for long-term Celebrex users.
Morris, MD, the director of the Alzheimer's disease research center at Washington University, in St.
The Alzheimer's Society said this type of supported, independent living was an "ideal model of care".
There is some evidence of this in the Yougov poll, commissioned by the Alzheimer's Society.
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About 5.4 million people in the U.S. have Alzheimer's disease, according to the Alzheimer's Association.
The Alzheimer's Society said the incident showed "a lack of understanding in society" of dementia.
BBC: Dementia patient tasered by police alarming says charity
However, the scientists will also monitor whether the progress of the Alzheimer's disease is slowed.
The Alzheimer's Association recently published recommendations to help doctors assess cognitive impairment during checkups.
The Alzheimer's Society says around 800, 000 people in the UK have a form of dementia.
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Approximately 10 million baby boomers will develop Alzheimer's, according to estimates from the Alzheimer's Association.
Jeremy Hughes, chief executive of the Alzheimer's Society, expressed concern over the poll's findings.
BBC: Carey Mulligan supports bid to raise dementia awareness
Rebecca Wood, from the Alzheimer's Research Trust, said that more research along these lines was urgently needed.
Because of the worries about Celebrex and the problems holding onto patients, the Alzheimer's study was halted.
The Alzheimer's Society is running events across England, Wales and Northern Ireland, during Dementia Awareness Week.
BBC: Carey Mulligan supports bid to raise dementia awareness
The Alzheimer's Research Trust welcomed the study but warned patients against taking aspirin without advice from doctors.
More than 5 million people in the United States have Alzheimer's disease, according to the Alzheimer's Association.
The Alzheimer's Research Trust is investigating other ways of using sophisticated scans to speed up diagnosis of the disease.
Organizations like the Alzheimer's Association sponsor caregiver support groups throughout the nation.
Buccafusco, director of the Alzheimer's Research Center at the Medical College of Georgia.
The Alzheimer's Research Trust, which co-funded the study, also called for further investigation.
The Alzheimer's Society has welcomed the survey and said it backs its research about the wishes of dementia sufferers.
More than 15 million Americans are providing unpaid care for a person with dementia, according to the Alzheimer's Association.
According to the Alzheimer's Society, there are 37, 000 people with dementia in Wales.
Dr Susanne Sorenson, head of research at the Alzheimer's Society, agreed that this could be a useful indicator for doctors.
George McNamara, of the Alzheimer's Society, said people with the condition were being denied the quality of life they deserved.
Professor Clive Ballard of the Alzheimer's Society agreed that more research was now needed to establish why the link exists.
To help you plan ahead, you can check out a tool from the Alzheimer's Association called the Alzheimer's Navigator.
The Alzheimer's Society has urged the public to visit their roadshow which starts a tour of Northern Ireland this week.
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