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Thread: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

  1. #1
    TheSexKitten
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    Default CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Lab rats have apparently doubled their lifespan with this new way of eating! The idea is to consume fewer calories, but to still get all the necessary nutrients our bodies need to function healthily. This combined with stress management, an exercise regimen, and a good balance of Omega 3 and 6 fatty acids and plenty of antioxidants is the newfound recipe for health and longevity.

    "A small-scale study in the US at the Washington University School of Medicine in St. Louis studied the effects following a calorie-restricted diet of between 10-25 percent less calorie intake than the average western diet. Body mass index (BMI) was significantly lower in the calorie-restricted group when compared with the matched group; 19.6 compared with 25.9. Their BMIs decreased from an average of 24 (range of 29.6 to 19.4) to an average of 19.5 (range of 22.8 to 16.5) over the course of their dieting (3-15 years). Nearly all the decrease in BMI occurred in the first year of dieting.

    It was found that the average total cholesterol and LDL (bad) cholesterol levels for calorie-restricted individuals were the equivalent of those found in the lowest 10% of normal people in their age group. It was found that the average HDL (good) cholesterol levels for calorie-restricted individuals were very high - in the 85th to 90th percentile range for normal middle-aged US men.

    These positive changes in calorie-restricted individuals were found to occur mainly in the first year of dieting. [It] was found that the calorie-restricted group had remarkably low triglyceride levels. In fact, they were as low as lowest 5 percent of Americans in their 20s. This is more remarkable when it is noted that the calorie-restricted individuals were actually aged between 35 and 82 years. Both systolic and diastolic blood pressure levels in calorie-restricted group were remarkably low, about 100/60, values normally found in 10-year-old children. "

  2. #2
    TheSexKitten
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Wow, I thought this was an interesting scientific discovery...

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    ^^It is interesting. However, its sort of common sense. Isn't it? Eat good, workout, take vitamins, drink water, and handle stress well would automatically add up to a longer life span in my book.
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Some of the image conscious might find this interesting



    re: OP, no surprise people who ate less lost weight.
    You can't love something you think is flawless - me


  5. #5
    TheSexKitten
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Quote Originally Posted by TigersMilk View Post
    ^^It is interesting. However, its sort of common sense. Isn't it? Eat good, workout, take vitamins, drink water, and handle stress well would automatically add up to a longer life span in my book.
    Well, definitely, but in addition to eating good, it basically means that if you eat like an ascetic you can prolong your lifespan by 30-50%, and if you eat a bit more than one you can add about 10-20%.

    Since my own daily recommended calorie allotment is 1,800 then that means that if I ate 1,200 for the rest of my life but got adequate nutrition, I could slow signs of aging. By a LOT. And that in itself is much different from the health benefits of eating a larger, normal, number of calories but still with good nutrition.

    I think I might just be a physiology/nutrition nerd though. The science aspect of it and exactly how it works is really fascinating.

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Quote Originally Posted by TheSexKitten View Post
    I think I might just be a physiology/nutrition nerd though. The science aspect of it and exactly how it works is really fascinating.
    I'm a nerd for sciencey stuff like that too. Like exactly how it works in the body down to cell function. Its interesting when you heard about people who live over 100 or more. http://en.wikipedia.org/wiki/Oldest_people
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    Featured Member lizlizliz's Avatar
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    I'd rather not live longer, and live happier.

    I don't want to restrict my calories. I want to be able to eat what I want, not just healthy food. I don't see the point in really fretting over this kind of thing, I'd rather do what makes me happy, reasonably.
    Quote Originally Posted by alessandra View Post
    I like them large and cut. Sort of like strawberries.

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    God/dess xdamage's Avatar
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Many years ago I show in which they also found that monkeys lived much longer if they had strong calorie restricted diets. The thing is, not only did they live longer, but they effectively stayed younger and healthier too. As if many of the genetic triggers or timers associated with growing older were significantly delayed.

  9. #9
    TheSexKitten
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    ^^^ Exactly! It's so fascinating.

    An interesting real-life possible example of this I think is my boyfriend's grandpa. Heheh. He eats very little, and at age 78 he's up and about all the time gardening and cooking, and though his hearing is going he's still sharp as ever. Especially funny is that he's been a heavy smoker his entire adult life! O.o

    Either way I think it's a good thing. Even if cutting down calories by 10-20% can keep me healthier longer I think it's worth looking into.

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    ^^^ umm, calorie restriction by 20% is only "worth it" if you're eating 15-20% more than you should be. Otherwise you're just going to go into anorexic mode and trick your brain into thinking it's starving, thereby prompting a process of food addiction and craving. It's best just to 'eat healthy' and enjoy it. Severe calorie restriction hasn't really worked so well in humans. Otherwise impoverished starving countries would be doing much better than they are, don't you think? War aside. Famine has not typically gone over so well, and usually induces SOME type of stress in and of itself. Kinda hard to separate the two. Read some of the war-time starvation studies to see a different perspective...


    now, granted, the Minnesota Starvation study done later was a bit less severe and had better results that were supposed to be transferrable to improving community health, but nonetheless, participants begin to obsess about food/weight even at mild restriction levels in starvation studies. It's a biological response and we shouldn't fuck with it.

  11. #11
    TheSexKitten
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    If a woman's recommended calorie allotment is 2,000, then 20% of that would be 400 calories. That's hardly anorexic mode. Rather, it's shaving off a reasonable amount of calories while focusing on eating nutrient-dense foods. For most females, the body goes into starvation mode at under 1,000 cals...

    It's NOT a starvation study, and it's not to lose weight for vanity. No, it's also not a fad diet. I'll just assume most of the people who clicked this thread didn't bother reading the link.
    Last edited by TheSexKitten; 04-04-2008 at 06:24 PM. Reason: dumb mistake

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    .... wow... that was a major assumption on your part to think that i neither clicked the link or have looked into this myself for a long time.

    sure, it's obviously VERY safe (and probably smart) to go from 2000 to 1800 cals... i was speaking about the people who are already dieting or on restricted diets, or the people for whom 20% would take them from 'healthy' to 'catabolic.' A woman eating 1700 cals a day might be absolutely fine. Take her down 20% and she may very well start having problems. and yeah, moderate calorie restriction is fine- it's making sure everyone has the same definition and the same starting point.

    i know it wasn't a starvation study- i linked those for comparison purposes.

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    God/dess scarlett_vancouver's Avatar
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    20% of 2000 would be 400 cals.

    I think calorie restriction is fascinating- I'm actually writing on it for my nutrition class. I plan on incorporating moderate calorie restriction into my diet in a few years, for health and longevity purposes.

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  14. #14
    TheSexKitten
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Quote Originally Posted by ColetteCalahan View Post
    sure, it's obviously VERY safe (and probably smart) to go from 2000 to 1800 cals... i was speaking about the people who are already dieting or on restricted diets, or the people for whom 20% would take them from 'healthy' to 'catabolic.'
    i know it wasn't a starvation study- i linked those for comparison purposes.
    Alright, point taken! Yes, restricting an already low level of calories would definitely be harmful. But, either way I can see we're on the same page.

    Thanks Scarlet for clearing up my math typo.

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    Featured Member aussiebelle's Avatar
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    I do think that this is a good reminder to forget about all the diet programs like South Beach and Atkins where you eat so much of one nutrient such as protein and then exclude certain food groups completely.

    This may be beneficial for fast weight loss but through eating a range of food groups, comprising all nutrients it has more than weight loss benefits. We all know this but it's a good reminder to eat for optimal body function.
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    ^ Like any diet, I do not think this is for everybody and definitely do not think further calorie restriction would be wise for somebody who is already calorie restricting.

    I find that from the study the theory of the research is the most important message. I found this to be to get all the needed nutrients in a low calorie method. Not restricting or starving the body, but getting all the body needs in a reduced calorie manner.
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Thanks Kitten. I found it interesting and sensible.

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Thanks for this awesome post! I want to do this!

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    this post is old and the concept is wrong. humans don't live longer when they restrict calories. staying away from grains and high fructose corn syrup and limiting sweet fruit consumption (even a couple pieces of fruit daily can do insanely bad things to your insulin responses) are better paths to longevity.

    pastured (grass fed) animal flesh, leafy greens and incidental starch veggies like broccoli and carrots are what you need to eat to live most healthfully.

    wholehealthsource.blogspot.com has some great links and information on eating optimally.

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    I've been teaching my kids 3 related beliefs of mine for many years.

    First, yes keep an eye on CRON studies. For the first time in history it may well be possible for us humans to get all nutrients, cheaply, easily, and not have to over eat any one local hunted/gathered food item adding calories we can do without. It may well be found that restricted calories (assuming all nutritional requirements are met) results in slower aging; effectively that triggers and timers which are related to aging are slowed if one does not gain weight. Which is actually a good thing since it means that long term we could feed people for a lot less, assuming we can get over our insistence on using food as entertainment and a social ritual first, nutrition second.

    Second, I've long said we've evolved to eat mostly meat (we have carnivore teeth and digestive systems), vegetables and some fruit. Grains without a lot of work and processing are often hard for us to eat. Remember, for eons people hunted and gathered without the benefits of airplanes, trucks, railway, to transport food at high speeds from around the world, refrigerated, etc. While having access to 40 types of refrigerated fruit transported in from around the world, and hundreds of kinds of processed grains is amazing, it is not what our genes adapted too.

    Third, we are going to die. Our genes are so wired and there is no preventing aging entirely, or dying. It is not a disease. It is who we are. It can be slowed but not stopped. Also among races we see genetic statistical differences in height, hair color, facial shapes, we may well also see genetic statistical difference in muscle/body-fat mass over the majority of the group. Too many studies ignore all of this and so confuse matters where no confusion would be needed if it was accounted for.
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    Veteran Member Ferret's Avatar
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    I'm experiencing satisfying results from taking a daily dose of vitamin D supplement. The changes are slow so be patient.

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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    Quote Originally Posted by TheSexKitten View Post
    Wow, I thought this was an interesting scientific discovery...
    From a recent blog:

    Some Thoughts On Calorie Restriction (CR)

    Calorie Restriction (CR) is getting a great deal of media attention due to studies that find animals raised on restricted calories live longer and suffer from fewer diseases. That advice may seem counter to the “bodybuilding/fitness lifestyle” we all follow.



    Sure, we all know excess calories—minus any exercise to counter those additional calories—represent a negative for general health and longevity, but should people be severely limiting their calories?


    As many of you know, studies have suggested that lower calorie intake translates into longer life spans in animals and—perhaps—people. However, this conclusion is controversial and far from conclusive in my view. For example, a recent study suggests that fat mass, not calorie intake, is what is responsible for longer life spans, at least in mice. (1)


    And what does the bodybuilding lifestyle strive for? More muscle and less body fat! Remember, as one would expect, caloric intake and low body fat (leanness) are directly interrelated, which makes it difficult to determine the relative importance of each (CR vs. bodyfat levels) and their contributions to longevity. Thus, researchers are now trying to separate the two issues.


    Recently, a Dr. Kahn and colleagues from Harvard Medical School created a strain of mice that lack insulin receptors in their fat cells. As insulin is a primary hormonal mediator of body fat levels in response to caloric intakes, this lack of insulin receptors in the animals’ fat cells caused the mice to have reduced fat mass (less body fat)—and also protected them from age-related problems, such as obesity. However, their calorie intake remained normal and no restriction was required to get the effect that would normally be seen with CR!


    The researchers found that the experimental mice lacking insulin receptors in their fat cells had an approximately 18% increase in mean lifespan over their non-modified red eyed squeaky counterparts.


    Studies like this one are helping to sort out the effects of leanness (body fat levels) and CR, and their respective effects on longevity and—perhaps—disease prevention. As we can’t all have our insulin receptors removed from our fat cells, researchers are looking to develop drugs to reduce—or block—insulin action in fat cells in humans.


    Although such drugs could potentially have side effects, they may also be able to prevent obesity, type 2 diabetes and metabolic diseases related to body fat and excess calories, without having to use strict CR. Hey, we might even live longer!


    Bottom line here is, I would not leap onto the CR bandwagon just yet, but would attempt to keep my body fat level low and under control via good nutrition and the bodybuilding lifestyle.


    People who allow themselves to get fat (“Dude, I am off season!”) may not be optimizing their longevity, but heck, the guy who actually invented the theory of CR and longevity—Dr. Roy Walford—who practiced CR, died at the very average age of 79, so take that for what it’s worth…


    (1) J. Science 2003;299:572-574.
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    Default Re: CRON: Calorie Restriction, Optimal Nutrition. Live longer!

    "Methuselah lived nine hundred years,
    Yeah, Methuselah lived NINE hundred years.
    But who calls that livin'
    When no gal will give in
    To a man who's lived
    nine hundred years?"

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