Sitting Possibly Makes My Brain (Yours too) Thinner?

(BUT I’m relieved that the pea is getting younger as my body grows older!)

judy recuperating by Peggy

“A team of researchers from UCLA and the University of Adelaide studied 35 non-demented adults who were from 45 to 75 years old. They gave each study participant the International Physical Activity Questionnaire to determine how many hours on average they spent sitting and how much physical activity they got each day. Each study participant also underwent a high-resolution MRI scans of his or her brain.”

The researchers found that the more hours the subjects sat the thinner the medial temporal lobes of their brains tended to be. (Each hour of additional sitting correlated with a medial temporal lobe that’s 2% thinner.) This was regardless of how much physical activity they engaged in when not sitting. 

 Some of the possibilities of how sitting impacts your brain include:

  • Your blood may not be circulating as much throughout your body and therefore your brain. This could mean that your brain is not getting as much oxygen or the waste products in your brain aren’t being cleared out as effectively.
  • You don’t burn as many calories, which could lead to weight issues, which then alter a wide variety of mechanisms in your body.
  • Your body’s metabolic machinery and hormones may be impacted so that your brain is not getting as many nutrients or is being exposed to other conditions such as higher blood sugar.

More recuperation by Peggy

Correlations and associations do not mean cause-and-effect.

A study with only 35 people has many limitations and does not prove that sitting will make part of your brain thinner. “Maybe in this study, the people who were more likely to sit more each day also were more likely to be less active socially, have less stimulating jobs, or have other circumstances that could be affecting their brains. Alternatively, could thinning medial temporal lobes somehow be affecting their behaviors so that they sat more?  More studies are needed to figure out what is actually happening.”

*The medial temporal lobe is part of the brain responsible for forming longer term memories. It tends to thin as you age to begin with!

“Nonetheless, this study does add to the concern that “sitting is the new smoking”, which by the way nothing to do with “cigarette butts.” Other studies have associated regularly sitting for lengthy periods of time with increased risks of obesitydiabetesmuscle and back problemscancer, and other health problems.”

https://www.forbes./too-much-sitting-may-make-your-brain-thinner-study-suggests/

To learn how Googling can help your brain, read this:

 Google On! My brain grows younger while my body grows old.

the thinner the medial temporal lobes of their brains tended to be. Each hour of additional sitting correlated with a medial temporal lobe that’s 2% thinner.

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My bathroom mirror isn’t the only thing that’s foggy

The reason my memory isn’t as good as it used to be is because the longer I live the more data is stored so it takes longer for my brain to sort it all out – like when I walk into the bathroom, can’t remember why and leave.  

I have tens of thousands of kilobytes of bathroom memory” stored: take a shower, read a magazine, brush my teeth, get an aspirin, read another magazine, put on lipstick . . .  My brain has to search decades of stored data.  It usually finds the reason within 20 minutes or so before I embarrass myself.

A judy rat

A judy rat, young man

I was excited to read that “Researchers found they could stop normal, age-related memory loss in rats by treating them with riluzole already on the market as a treatment for ALS.

another judy rat, child

Another judy rat, little girl

By examining the neurological changes that occurred after riluzole treatment, . . . researchers “discovered one way in which the brain’s ability to reorganize itself — its neuroplasticity — can be marshaled to protect it against some of the deterioration that can accompany old age, at least in rodents,

Another judy rat, female

Another judy rat, teen age girl

After 17 weeks of treatment, the researchers tested the rats’ spatial memory . . . and found they performed better than their untreated peers, and almost as well as young rats!!

 

Another judy rat, male

Another judy rat, old man

I’ve printed the article so I can read it the next time I’m in the bathroom and can’t remember why.

If you want a copy for your bathroom click

Existing Drug, Riluzole, may Prevent Foggy ‘Old Age’ Brain

 

 

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