April 29, 2024

New Study: Lifelong Marriage Reduces Risk of Dementia

It is part of the “secret of dementia”.” We do not know whether its being wed or having kids that protects against dementia, or if its a case of pre-selection.” Its typical to think that if you live long enough, earlier or later youll develop dementia. Dementia is a collective term for different diseases and injuries in the brain.” Weve dreamt of discovering a medicine for dementia for a long time, however we have not yet succeeded.

Over a period of 24 years, from age 44 to 68, the scientists taken a look at numerous marital statuses among people and explored the prospective connection in between these statuses and medical diagnoses of dementia or mild cognitive problems (MCI) after the age of 70.
The outcomes show that the group that was continually wed throughout the period had the most affordable occurrence of dementia. The highest occurrence was discovered in separated and single people.
Children decrease threat
Asta Håberg is a doctor at St. Olavs Hospital and a teacher at the Norwegian University of Science and Technology (NTNU), as well as a scientist at NIPH/FHI. She says the outcomes of the study included surprises.
” Exactly what triggers dementia is a mystery. This study indicates that being married and a lower danger of dementia are connected, however we do not know why,” says Håberg.
” One theory has actually been that people who are married live healthier lives and that this describes differences in the threat of different diseases. In this survey, we found no assistance for health differences between single and married individuals that would explain the distinction in dementia threat.”
In the HUNT survey, approximately 150 000 individuals residing in the former nation of Nord-Trøndelag have actually given authorization for their health information to be provided for research study. The scientists used this data to examine the occurrence of dementia against health factors such as cigarette smoking, hypertension, obesity, physical inactivity, diabetes, psychological problems and having buddies.
” We believed that these aspects would imply something, but they didnt discuss anything,” states Håberg.
However, the researchers discovered that having children had significance and minimized the risk of dementia by 60 percent among the single individuals in the study.
” Some people have actually thought that if you have kids, you stay more cognitively engaged. You have to deal with individuals and participate in activities that you would not otherwise have to.
Still a lot of unused information
It is part of the “mystery of dementia”. Håberg hopes to be able to uncover some of the secrets through this research study.
” We do not know whether its being wed or having children that safeguards versus dementia, or if its a case of pre-selection. This would suggest that individuals who have a lower probability of establishing dementia likewise have a higher possibility of discovering a partner and having children. But the fact that we have the HUNT Study implies that we have a great deal of information available that we have not yet utilized to examine this further,” Håberg states.
As a doctor, she is not encouraged that dementia is an inevitable effect of aging.
” Its common to believe that if you live long enough, eventually youll develop dementia. Im not so sure I concur with that, offered this theory that we might have cognitive reserves,” she stated. “It might be that particular conditions may assist to develop up such reserves, which means that you start with more connections in the brain. For instance, weve observed that education is an element, and that the more education you have, the better the “reserves” that you develop.”
And yet, when a highly educated person gets Alzheimers, the illness advances just as quickly as for anyone else. The reserves hence have a delaying effect– however just until the disease strikes.
Make it easier to have kids
The research study results are part of the research study task REFAWOR (Cognitive reserve work and household) funded by the NIH in the USA, which belongs to the program “Changing lives, altering brains” under the auspices of the Norwegian Institute of Public Health.
REFAWOR has a budget of nearly three million euros and intends to study how changes in living and working conditions affect the threat of Alzheimers, dementia, and cognitive problems in older individuals. These illness are expected to triple by 2050.
The scientists are now taking a more detailed look at the significance of having children for dementia risk, the kinds of work individuals have, and how retirement age can affect the danger.
Dementia is a cumulative term for different diseases and injuries in the brain. No medical treatment for dementia is presently offered.
” Weve dreamt of finding a medicine for dementia for a long time, but we havent yet succeeded. What can society do to minimize the risk?
Genes can make us more vulnerable
Among the next steps is to take a look at genetic connections, says Skirbekk.
” We understand that certain genes increase the danger of dementia, however individuals with these genes can still live to be 90 years old without experiencing cognitive issues,” he states.
” You could say that the increased risk fundamental in the genes can be considered as a vulnerability, where having a steady family life may potentially lower this vulnerability.
He highlights that this research study states nothing about the biological mechanisms behind dementia.
” But it shows that being married can have an influence on risk elements. You end up being more cognitively active, you cope better with misfortune, and are less based on tension. The partner represents a security that provides a buffer.”
The study does not think about whether any difference exists between being a single versus a couple. Less than one percent of single individuals in the survey were cohabiting with a partner.
” There are really couple of cohabitants in this age group in HUNT,” states Håberg.
Referral: “Marital Histories and Associations With Later-Life Dementia and Mild Cognitive Impairment Risk in the HUNT4 70+ Study in Norway” by Vegard Skirbekk, Ph.D., Catherine E. Bowen, Ph.D., Asta Håberg, MD, Ph.D., Astanand Jugessur, Ph.D., Bo Engdahl, Ph.D., Bernt Bratsberg, Ph.D., Ekaterina Zotcheva, Ph.D., Geir Selbæk, Ph.D., Hans-Peter Kohler, Ph.D., Jordan Weiss, Ph.D., Jennifer R. Harris, Ph.D., Sarah E. Tom, Ph.D., Steinar Krokstad, MD, Ph.D., Yaakov Stern, Ph.D. and Bjørn Heine Strand, Ph.D., 2 November 2022, Journal of Aging and Health.DOI: 10.1177/ 08982643221131926.
The study was funded by the National Institutes of Health and the Research Council of Norway.

Dementia is a collective term utilized to explain a decrease in cognitive function, including memory loss, confusion, and difficulty with language, analytical, and everyday tasks. It affects countless individuals around the world and is most typically seen in older adults.
A recent large study suggests that being separated or single raises the risk of establishing dementia. The researchers also discovered some unexpected outcomes.
According to a just recently published study that examined data from the HUNT Study health surveys in Nord-Trøndelag, being married continuously for a prolonged period during mid-life can decrease the probability of establishing dementia in old age.
” Being married can have an influence on risk aspects for dementia,” states Vegard Skirbekk at the Norwegian Institute of Public Health (NIPH/FHI).