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NEW YORK DAWN™ > Blog > Health > The roots of dementia can begin in childhood. Prevention must be a lifelong aim
The roots of dementia can begin in childhood. Prevention must be a lifelong aim
Health

The roots of dementia can begin in childhood. Prevention must be a lifelong aim

Last updated: May 15, 2025 4:59 pm
Editorial Board Published May 15, 2025
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Credit score: Pixabay/CC0 Public Area

Greater than 60 million individuals are estimated to be residing with dementia, leading to over 1.5 million deaths a yr and an annual value to the worldwide well being care financial system of round US $1.3 trillion (nearly £1 trillion).

Regardless of a long time of scientific analysis and billions of kilos of funding, dementia nonetheless has no remedy. However what of the outdated saying that prevention is healthier than remedy? Is stopping dementia attainable? And if that’s the case, at what age ought to we be taking steps to take action?

Regardless of what many imagine, dementia is just not merely an unavoidable consequence of ageing or genetics. It’s estimated that as much as 45% of dementia instances may probably be prevented by lowering publicity to 14 modifiable threat elements frequent all through the world.

Many of those threat elements—which embrace issues like weight problems, lack of train, and smoking—are historically studied from center age (round 40 to 60 years outdated) onwards. In consequence, a number of of the world’s main well being our bodies and dementia charities now advocate that methods aimed toward lowering dementia threat ought to ideally be focused at this age to reap the best advantages.

We argue, nonetheless, that concentrating on even youthful ages is probably going to supply higher advantages nonetheless. However how younger are we speaking? And why would publicity to threat elements many a long time earlier than the signs of dementia historically seem be necessary?

To elucidate, let’s work backwards from center age, beginning with the three a long time protecting adolescence and younger maturity (from ten to 40 years outdated).

Many lifestyle-related dementia threat elements emerge through the teenage years, then persist into maturity. For instance, 80% of adolescents residing with weight problems will stay this fashion when they’re adults. The identical applies to hypertension and lack of train. Equally, nearly all adults who smoke or drink can have began these unhealthy habits in or round adolescence.

This poses two potential points when contemplating center age as the very best place to begin for dementia-prevention methods. First, altering well being habits that has already been established is notoriously tough. And second, most high-risk people focused in center age will nearly actually have been uncovered to the damaging results of those threat elements for a lot of a long time already.

As such, the simplest actions are more likely to be these aimed toward stopping unhealthy habits within the first place, relatively than trying to vary long-established habits a long time down the road.

The roots of dementia

However what about even earlier in individuals’s lives? May the roots of dementia stretch way back to childhood or infancy? Rising proof suggests sure, and that threat issue exposures within the first decade of life (and even whereas within the womb) might have lifelong implications for dementia threat.

To grasp why this can be, it is necessary to keep in mind that our mind goes by three main durations throughout our lives—improvement in youth, a interval of relative stability in grownup life, and decline (in some features) in outdated age.

Most dementia analysis understandably focuses on modifications related to that decline in later life. However there’s growing proof that lots of the variations in mind construction and performance related to dementia in older adults might have not less than partly existed since childhood.

For instance, in long-term research the place individuals have had their cognitive means tracked throughout their complete lives, one of the vital necessary elements explaining somebody’s cognitive means at age 70 is their cognitive means after they had been 11. That’s, older adults with poorer cognitive expertise have usually had these decrease expertise since childhood, relatively than the variations being solely because of a quicker decline in older age.

Comparable patterns are additionally seen when on the lookout for proof of dementia-related injury on mind scans, with some modifications showing to be extra intently associated to threat issue exposures in youth than present unhealthy existence.

Taken collectively, maybe the time has come for dementia prevention to be regarded as a lifelong aim, relatively than merely a spotlight for outdated age.

A lifelong prevention plan

However how will we obtain this in sensible phrases? Advanced issues require advanced options, and there’s no fast repair to handle this problem. Many elements contribute to growing or lowering a person’s dementia threat—there isn’t any “one size fits all” method.

However one factor usually agreed upon is that mass treatment of younger individuals is just not the reply. As an alternative, we—together with 33 different main worldwide researchers within the area of dementia—just lately printed a set of suggestions for actions that may be taken on the particular person, group and nationwide ranges to enhance mind well being from an early age.

Our consensus assertion and suggestions ship two clear messages. First, significant reductions in dementia threat for as many individuals as attainable will solely be achievable by a coordinated method that brings collectively more healthy environments, higher training and smarter public coverage.

Second—and maybe most significantly—whereas it is by no means too late to take steps to cut back your threat of dementia, it is also by no means too early to begin.

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The roots of dementia can begin in childhood. Prevention must be a lifelong aim (2025, Could 15)
retrieved 15 Could 2025
from https://medicalxpress.com/information/2025-05-roots-dementia-childhood-lifelong-goal.html

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half could also be reproduced with out the written permission. The content material is supplied for info functions solely.

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