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NEW YORK (Reuters Health) – A new study shows that the risk of Alzheimer's disease increases by almost 50% if people close to the family have the disease.
Although it is known that the presence of a parent with dementia increases the risk of infection, new research shows that even cousins, uncles, uncles or grandparents with this condition may be considered a precursor to Alzheimer's disease.
The researchers found this link through a study of over 270,000 people listed in the Utah Population Database, which contains information on the country's first population and their descendants since 1800.
Read also:Develop a blood test for the early detection of Alzheimer's disease damage before the onset of symptoms
The researchers found that anyone with two children with the disease was 25% more likely to suffer from Alzheimer's disease, while two or more cousins might have at least 17% more chance of contracting disease.
According to the results of this study, family members of the second class, such as grandparents, uncles and uncles, and third-class relatives such as cousins with Alzheimer's diagnosis , can be considered as a warning factor of the disease.
More than half of people with Alzheimer's disease have a specific gene three times more likely to be infected, and other genes passed on by families would also be at the origin of disease.
However, it is unlikely that the situation will continue in captivity, where everyone can reduce the risk of infection by changing their lifestyle, for example by losing weight and reducing hypertension.
"Family history is an important indicator of the risk of Alzheimer's disease, but as most research focuses on dementia in close family members, our study therefore sought to examine larger family photos." said Dr. Lisa Canon Albright, director of the study at the University of Utah.
She noted that taking into account family history at large could help better predict risks and that these findings would probably better diagnose and help patients and their families to take better care of themselves. health decisions.
The risk of Alzheimer's disease can be doubled if three or more second-degree relatives are infected.
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