Need to lose weight? Don't smell your food!

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Nikki Nyx
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Need to lose weight? Don't smell your food!

Postby Nikki Nyx » Thu Jul 13, 2017 9:47 pm

Researchers developed ways to temporarily eliminate the sense of smell in adult mice, and discovered that those mice that lost smell could eat a high-fat diet and stay a normal weight, while littermates that retained the sense of smell ballooned to twice normal weight. Supersmellers gained more weight than did normal mice on the same high-fat diet. Smell-deficient mice burned excess fat instead of storing it, suggesting a link between smell and metabolism.

The findings suggest that the odor of what we eat may play an important role in how the body deals with calories. If you can't smell your food, you may burn it rather than store it.

These results point to a key connection between the olfactory or smell system and regions of the brain that regulate metabolism, in particular the hypothalamus, though the neural circuits are still unknown. LINK
So, it's not what you eat, but what you smell that makes you gain weight? :blink:
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Re: Need to lose weight? Don't smell your food!

Postby Gawdzilla Sama » Thu Jul 13, 2017 9:57 pm

This beer smells great.
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Re: Need to lose weight? Don't smell your food!

Postby OlegTheBatty » Thu Jul 13, 2017 10:26 pm

People tend to gain weight with age, while olfactory ability tends to decline. Which may prove that most of are not mice.
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Re: Need to lose weight? Don't smell your food!

Postby Gord » Fri Jul 14, 2017 12:34 am

I want to make a joke about "Is that why the French don't gain weight when they eat their high-fat diets?" but I'm better than that.
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Re: Need to lose weight? Don't smell your food!

Postby scrmbldggs » Fri Jul 14, 2017 1:26 am

those mice that lost smell could eat a high-fat diet and stay a normal weight, while littermates that retained the sense of smell ballooned to twice normal weight.

Did they in fact eat the same amount? Smell draws them to their food, maybe the nose impaired ones found they had "less of an appetite"?

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Re: Need to lose weight? Don't smell your food!

Postby Lance Kennedy » Fri Jul 14, 2017 1:35 am

Less appetite appears to be the best hypothesis. The researchers say no. But not all research is done rigorously enough to permit such assertions. Less appetite means eating less and getting less fat. Perfect fit to Occam's razor.

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Re: Need to lose weight? Don't smell your food!

Postby ElectricMonk » Fri Jul 14, 2017 1:39 am

If I can't enjoy my food with all my senses, why eat it in the first place?
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Re: Need to lose weight? Don't smell your food!

Postby scrmbldggs » Fri Jul 14, 2017 1:58 am

:hmm: Do you have food smeared all over yourself when eating? JK, but don't ask a person with a healthy appetite. :-P


And another point to consider. If their sense of smell was entirely gone, their entire little world would have been different. Maybe they even didn't feel threatened and/or competitive, etc.... :pardon:

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Re: Need to lose weight? Don't smell your food!

Postby Gord » Fri Jul 14, 2017 2:05 am

Lance Kennedy wrote:Less appetite appears to be the best hypothesis. The researchers say no. But not all research is done rigorously enough to permit such assertions. Less appetite means eating less and getting less fat. Perfect fit to Occam's razor.

If they did it on mice, then presumably they weighed their food to make sure they were all eating the same amounts.

I think the idea they're suggesting is that smelling food triggers your body to prepare it to store fat. It's not that far fetched -- smelling food does affect your digestive system, for instance, by making your mouth water. Or making your skin crawl, if it's my sister's cooking.
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Re: Need to lose weight? Don't smell your food!

Postby scrmbldggs » Fri Jul 14, 2017 2:10 am

Gord wrote:
Lance Kennedy wrote:Less appetite appears to be the best hypothesis. The researchers say no. But not all research is done rigorously enough to permit such assertions. Less appetite means eating less and getting less fat. Perfect fit to Occam's razor.

If they did it on mice, then presumably they weighed their food to make sure they were all eating the same amounts.

But did they make sure it was all gone before they gave them their dessert?

smelling food does affect your digestive system, for instance, by making your mouth water.

So the mices were missing their first batch of enzymes! :shock:

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Re: Need to lose weight? Don't smell your food!

Postby scrmbldggs » Fri Jul 14, 2017 2:18 am

ElectricMonk wrote:If I can't enjoy my food with all my senses, why eat it in the first place?

That's some weird vocabulary...
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Re: Need to lose weight? Don't smell your food!

Postby Nikki Nyx » Fri Jul 14, 2017 2:38 am

OlegTheBatty wrote:People tend to gain weight with age, while olfactory ability tends to decline. Which may prove that most of are not mice.
Quite right! This merely proves a connection between the olfactory and metabolic functioning in mice. It remains to be seen whether it pans out in human beings. Frankly, I don't plan to put a clothespin on my nose every time I eat. :mrgreen: Although, I'm sure it would amuse my neighbors.
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Re: Need to lose weight? Don't smell your food!

Postby Nikki Nyx » Fri Jul 14, 2017 2:39 am

scrmbldggs wrote:
those mice that lost smell could eat a high-fat diet and stay a normal weight, while littermates that retained the sense of smell ballooned to twice normal weight.

Did they in fact eat the same amount? Smell draws them to their food, maybe the nose impaired ones found they had "less of an appetite"?

The study claimed that all three groups—non-smellers, normal smellers, and super-smellers—were fed the exact same high-fat diet and ate the exact same amount.
...it used to be so simple, once upon a time.
Because the universe was full of ignorance all around and the scientist panned through it like a prospector crouched over a mountain stream, looking for the gold of knowledge among the gravel of unreason, the sand of uncertainty, and the little whiskery eight-legged swimming things of superstition.
—Terry Pratchett, from Witches Abroad

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Re: Need to lose weight? Don't smell your food!

Postby Gord » Fri Jul 14, 2017 6:33 am

Nikki Nyx wrote:super-smellers

Ah, I've known a few of those.
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Re: Need to lose weight? Don't smell your food!

Postby Austin Harper » Fri Jul 14, 2017 12:08 pm

I think my sister might be a super-smeller. She often complains about bad smells that nobody else can notice, or that it takes a long time for the rest of us to notice.
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Re: Need to lose weight? Don't smell your food!

Postby Nikki Nyx » Fri Jul 14, 2017 4:02 pm

Gord wrote:
Nikki Nyx wrote:super-smellers

Ah, I've known a few of those.

:lol:
...it used to be so simple, once upon a time.
Because the universe was full of ignorance all around and the scientist panned through it like a prospector crouched over a mountain stream, looking for the gold of knowledge among the gravel of unreason, the sand of uncertainty, and the little whiskery eight-legged swimming things of superstition.
—Terry Pratchett, from Witches Abroad

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Re: Need to lose weight? Don't smell your food!

Postby Nikki Nyx » Fri Jul 14, 2017 4:10 pm

Austin Harper wrote:I think my sister might be a super-smeller. She often complains about bad smells that nobody else can notice, or that it takes a long time for the rest of us to notice.
I dislike the smell of cooked (or cooking) cruciferous vegetables and beans (not legumes). To me, the smell is repulsive and not at all like food. It's so bad that I can't get past the smell to even taste them. But I have no issue with cabbage slaws.
...it used to be so simple, once upon a time.
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Re: Need to lose weight? Don't smell your food!

Postby Gawdzilla Sama » Fri Jul 14, 2017 4:23 pm

Balut.
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Re: Need to lose weight? Don't smell your food!

Postby Flash » Fri Jul 14, 2017 10:56 pm

I actually have found a German store in Southern Ontario that sells real fermented cabbage and pickles. The pickled cabbage and cucumbers sold in the supermarkets are pickled in vinegar and therefore are not fermented.

In that store the sliced cabbage sits in a barrel in the middle of the store without any refrigeration. Actually, the refrigeration would drastically slow down the fermentation process.

In another barrel beside it there are real fermented pickles. You just lift the barrel cover of either one and the smell is heavenly; a kind of sour odor mixed with dill, salt and pepper.

My wife and I make regular expeditions to the store with a big glass container. We fill it with the "rotten" cabbage and the fluid and leave it on a counter at home. It can stay like that for weeks if not months and it does not need refrigeration. :mrgreen:
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Re: Need to lose weight? Don't smell your food!

Postby Nikki Nyx » Fri Jul 14, 2017 11:38 pm

Image
...it used to be so simple, once upon a time.
Because the universe was full of ignorance all around and the scientist panned through it like a prospector crouched over a mountain stream, looking for the gold of knowledge among the gravel of unreason, the sand of uncertainty, and the little whiskery eight-legged swimming things of superstition.
—Terry Pratchett, from Witches Abroad

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Re: Need to lose weight? Don't smell your food!

Postby Gord » Sat Jul 15, 2017 5:53 am

Gawdzilla Sama wrote:Balut.

Ah yes. Reason #704 to never visit the Philippines: https://en.wikipedia.org/wiki/Balut_(food)
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