Dementia trend shows later onset with fewer years of the disease, indicates study included in a special supplement to the Journal of Gerontology.
Sudha Seshadri, M.D., professor of neurology and founding director of the Glenn Biggs Institute for Alzheimer's & Neurodegenerative Diseases at UT Health San Antonio, is the senior author on the study, which draws evidence from the Framingham Heart Study.
In data from four different time periods over a period of 30 years, the mean age at dementia onset increased, while the length of time living with dementia decreased. Is it because prevention and care of stroke today is superior compared to decades ago? Stroke is a major risk factor for dementia.
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Dementia has become a very big concern as we have an aging population across the world. Dementia is also terrifying to us because of its disturbing symptoms and limited treatment options.
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‘People might be developing dementia later and living with it for a shorter period of time.’
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"Prevention of stroke and reduced impact of stroke are great advances, but neither completely explains the trend we are seeing," Dr. Seshadri said. "We are looking at other causes, such as lower burden of multiple infections because of vaccination, and possibly lower levels of lead or other pollutants in the atmosphere. Early education and nutrition might also play a role." Stroke risk has decreased because of greater control of blood pressure. Dr. Seshadri again cited Framingham data: "In the past, if you had a stroke you were at 90 percent greater risk to develop dementia. Today, you have a 40 percent greater risk," she said.
Source: Eurekalert
Test Your Knowledge on Dementia
Dementia is a leading cause of disability in older people. It is a condition where brain cells are permanently damaged or functionally impaired. Till 2015, about 47.5 million people suffer from dementia across the globe. There are various conditions that lead to dementia and it is important to get aware of its causes, effects and vulnerability. So how much do you know dementia? Take our advanced q
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New ‘Brain Health Index’ can Predict If You are at Risk of Dementia
A new computer program developed helps predict the risk of developing dementia after stroke. Brain health index can assess whole brain deterioration and detect cognitive decline 10 times more accurately.
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