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“Physically Fit Women Nearly 90% Less Likely To Develop Dementia”



  • lynn_glenmontlynn_glenmont Posts: 6,145Member Member Posts: 6,145Member Member
    Mari22na wrote: »
    Exercise is good. Genetics rule. I know a fit family, the fittest people I know. Work from daylight to dark all of the days of their life. The grandmother, mother and now all of the children have it. They're relatively young in their 50s's and leaving this world one by one within months of each other.

    Did these people work together? (Or live together or in near proximity?) Because the fact that they all died within months of each other, yet were from three different generations and thus decades apart in the age when they succumbed, to me suggests an environmental cause more than a genetic one.
  • RunsWithBeesRunsWithBees Posts: 946Member Member Posts: 946Member Member
    Sunday bump!
  • janejellyrolljanejellyroll Posts: 20,811Member Member Posts: 20,811Member Member
    AnnPT77 wrote: »
    VUA21 wrote: »
    Countless peer reviewed, legitimate studies k\eep coming up with the same results: physically fit people have a statistically significant lower chance of developing mental and physical problems throughout thier life. That includes everything from dementia to cancer.

    I "insightful"-ed that, but it's really more of a "well, duh!" (no insult intended).

    I'm 62. All I have to do is look around me at people my age +/- 10 or so years, look at their quality of life on average, look at the obvious condition of the majority of people in doctors' offices I visit, think about the people I knew who are already dead, and it's stupid obvious. Physically fit people have better odds of better outcomes.

    Guaranteed? No. But better odds, no question - across the board, physical and cognitive benefits. I can't even begin to understand why someone "woo"-ed your post.

    Agreed! My life is so much better now being physically active that even if it conferred no additional future benefits, it would still be worth it to remain active to enjoy the higher quality of life more activity provides today. And this is after a lifetime of sedentary living, I know better now and I’ll never go back to that.

    This is how I feel. I certainly hope being active benefits "future me" and the evidence certainly suggests that it does generally help people as they age.

    But I *know* it benefits me now.
  • Carol_LCarol_L Posts: 284Member Member Posts: 284Member Member
    The thing about the human body is how much we still don't know. Only recently the existence of an entirely new organ, the Interstitium, was recognized. We're talking mere months ago, so considering how long we've been dissecting, documenting and analyzing the human body it only goes to show how little settled science there is on anything, even things we've been doing for a comparatively long time.

    Another relatively recent discovery has been the glymphatic system, which is not a misspelling of lymphatic but a parallel system that operates only during our sleep cycles (which is why it escaped notice for so long) and has been hypothesized as functioning as a waste clearing system for the cerebro-spinal fluid system. Some researchers are looking at this as a promising area for investigation in relation to cognitive decline.

    Likewise, Cancer is being found to be not a single disease as initially thought, but a family of diseases with causes as varied as viruses, genetics and environment. Some cancers have roots in errors in replication at the cellular level, which may just be a result of senescence as much as anything else.

    It is always prudent to do what you can to optimize your rate of dying, but in the end we all do. Physical wellness is important, but the mental aspects should be taken no less seriously. Exercising the brain as much as the body, and paying attention to what you put into either of them will go a long way to living your best.

  • kshama2001kshama2001 Posts: 17,933Member Member Posts: 17,933Member Member
    My Mom will be happy to hear this. Her father had Alzheimer's, and she worries about this. I remind her that he was a drinker and a smoker, and she is not. He was and she is very active.
  • urloved33urloved33 Posts: 3,361Member Member Posts: 3,361Member Member
    there really is ABSOLUTELY no downside to exercising <3 none.
  • RunsWithBeesRunsWithBees Posts: 946Member Member Posts: 946Member Member
    Bumping because it’s such an important topic! :)
  • Safari_GalSafari_Gal Posts: 888Member Member Posts: 888Member Member
    Really insightful and thought provoking thread - following and thanks for so many positive posters!

  • LolinloggenLolinloggen Posts: 175Member Member Posts: 175Member Member
    Many people that develop MCI and or dementia have problems with the blood flow (heart and vascular diseases do this. My MIL has MCI which can/may be a precursor to dementia. She has had a triple bypass and vascular issues and diabetes 2, many long term sufferers of the latter develop related dementia which starts as the mentioned MCI All are interrelated unfortunately.
    It is sad to see her mind declining more rapidly than it should be.

    Exercise keeps a lot of these problems down by building muscle - improving blood flow and strengthening everything. It is by no means the end of the story. History, genetics, environment ,education, stress etc are all factors that contribute.
    When it comes to complex issues like dementia the answers will also be be complex, but exercise IMO certainly has a positive influence on it (and general well being on old age)
    At 50 I am working hard to prepare myself tools be healthy when I am retired. I know that life though gives me no guarantees. All I can do it get the statistics on my side and then hope that my genetics and environment don't throw an unexpected curveball.
  • 7elizamae7elizamae Posts: 720Member Member Posts: 720Member Member
    VUA21 wrote: »
    Countless peer reviewed, legitimate studies keep coming up with the same results: physically fit people have a statistically significant lower chance of developing mental and physical problems throughout thier life. That includes everything from dementia to cancer.

    Yes to this. There's no good reason not to be physically active. There's a looooong list of reasons not to be sedentary. If my active lifestyle wards off dementia in addition to all the other benefits - I'll take it!
  • 7elizamae7elizamae Posts: 720Member Member Posts: 720Member Member
    double post
    edited January 8
  • shaumomshaumom Posts: 860Member Member Posts: 860Member Member
    Would [this study] be enough to change your exercise routines or lack there of? Is the study flawed or not worth much consideration? Thoughts/opinions?

    No, it would not, because this study is in no way showing that exercise helps prevent dementia. Literally does not show this, at all. It's correlation only. There IS no causation in this study; even the researchers have mentioned that.

    Is this study a good study to give us a starting point to see if exercise DOES impact whether we develop dementia? Sure. Finding correlation is a great first step. But it is not proving causation.

    And honestly, looking at the research out there, there's other reasons that this type of correlation can happen that have jack all to do with exercise influencing dementia.

    As one easy example. People who are not healthy for a variety of reasons (genetics, unhealthy environments, etc...) - and so tend to have more pain, more exhaustion, more inflammation, more depression, and more injuries - do not tend exercise as much as healthy people. And it could easily be that people who are not healthy may also be more prone to dementia. Instant correlation: people who are not healthy don't exercise as much, and are also more likely to develop dementia (if this were the case). Nothing to do with exercise preventing dementia, and everything to do with exercise levels being an indicator of overall health, and so predictive of future potential problems as a result.

    In fact, there are studies that link auto-immune disorders to having a higher risk of dementia and alzheimer's already, so there seems to be some evidence that certain health issues may impact dementia (these, too, however, are correlative).

    I'm not saying that exercise isn't a good thing. Or eating healthy, or avoiding smoking, or whatever other things benefit our body. But saying that exercise would make such a huge difference in dementia pretty much erases the entire concept of anyone who isn't healthy and fit, IMO.

    Honestly, I bring it up because far too often, you see folks blaming lack of exercise for ill health, when in fact their ill health is what is causing the lack of exercise.

    edited January 8
  • gentlygentlygentlygently Posts: 656Member Member Posts: 656Member Member
    Very interesting podcast interview this week by Dr Chatteejee - talking to a scientist doing research into brain cell regeneration. (He’s well known in the Uk - ‘doctor in the house’ tv series radically transforming people’s health through non-medicine based approaches even tho he’s a GP)

    Exercise, ‘Mediterranean’ diet, sleep, IF, calories restriction, low stress, even having crunchy food (!) - all play a role in brain health...

    I recommend you listen...

    my mum had dementia, but only developed it in her 80s and its progress was mercifully on the slower side, and my dad in his 90s has just been diagnosed - so they both had many many years of good self care and good brain health.

    I am one of the ‘poor health can stop me from exercising’ people - I have CFS - but I still prioritise fitness in my life.
  • shaumomshaumom Posts: 860Member Member Posts: 860Member Member
    I am one of the ‘poor health can stop me from exercising’ people - I have CFS - but I still prioritise fitness in my life.

    Hey, thanks for the shout out for the guy. I'll check him out.

    Honestly, I am not trying to say that fitness shouldn't be a priority. More responding to the OP's question, you know? Would that study convince me (or rather, do I think it should convince anyone?) that exercise should be increased to help dementia? And it should not, because it is not that definitive.

    Could OTHER studies that show more potential causation be something that would convince me/ anyone that exercise helps? Potentially, sure, just depends on what the study finds, you know?

    Now if the question was do I, personally, think exercise helps us as we age? Yeah, I do, but that's just personal belief and what I see around me, but I don't necessarily count that as definitive, you know?

    Although just wanted to add - sometimes there is no prioritizing fitness in terms of exercise, either literally or in a practical way. Sometimes, there is just no way to do it.

    I have a disorder where people who have it most severely can have the act of exercising (of even getting the heart rate up) set off anaphylaxis. Makes it pretty impossible to exercise, in that case. It's a case of prioritizing fitness, or staying alive.

    And with pain, I know many people where even the lightest exercise they've tried to find ramps their pain levels up to the point they can't function. In which case, they can't work or make money or care for their kids, so exercise gets set aside behind other priorities like basic necessities, you know?

    Not saying that people can't make choices where exercise could be a priority for them, even if it takes more work, and still choose not to. But I do think that discussing it like it's simply a matter of priority, but as though there aren't other potential serious consequences, downplays the issue.
  • AliNouveauAliNouveau Posts: 29,276Member Member Posts: 29,276Member Member
    My grandma passed away years ago and had dementia. She was Olympic silver medalist in running from the 1932 games. She was fit and active her entire life. Being fit I'd say didn't help her.

    I do agree being fit helps slow aging. My mom is a he least active person I know at at 74 is in worse shape than many 90 year olds I curl with. Stay active as much as you can
  • RunsWithBeesRunsWithBees Posts: 946Member Member Posts: 946Member Member
    It’s great that we are talking about it! Definitely more research is needed! I don’t think society in general gives the different types of dementias as much attention as needed, it’s really a terrible and sadly increasingly common group of illnesses :/
    edited January 14
  • JeromeBarry1JeromeBarry1 Posts: 9,880Member Member Posts: 9,880Member Member
    Dr. Annette Bosworth, author of "Any Way You Can", tells of the diabetics who, before the invention of industrial manufactured insulin, were required to eat very high fat diets. They were the first wave of keto people. Some of them maintained that high fat diet, grew old, and died of natural causes. Autopsies showed the complete absence of amyloid plaques in their brains.

    This isn't a properly controlled study, but damn, it's interesting.
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