Fat, Carbs and the Science of Conception

 

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It had a silver lining, though, and not just for those selling low-carb advice and products. All the attention made scientists and the rest of us more aware of carbohydrates and their role in a healthy diet. It spurred several solid head-to-head comparisons of low-carb and low-fat diets that have given us a better understanding of how carbohydrates affect weight and weight loss. The new work supports the growing realization that carbohydrate choices have a major impact—for better and for worse—on the risk for heart disease, stroke, type 2 diabetes and digestive health.

New research from the Nurses' Health Study shows that carbohydrate choices also influence fertility. Eating lots of easily digested carbohydrates (fast carbs), such as white bread, potatoes and sugared sodas, increases the odds that you'll find yourself struggling with ovulatory infertility. Choosing slowly digested carbohydrates that are rich in fiber can improve fertility. This lines up nicely with work showing that a diet rich in these slow carbs and fiber before pregnancy helps prevent gestational diabetes, a common and worrisome problem for pregnant women and their babies. What do carbohydrates have to do with ovulation and pregnancy?

More than any other nutrient, carbohydrates determine your blood-sugar and insulin levels. When these rise too high, as they do in millions of individuals with insulin resistance, they disrupt the finely tuned balance of hormones needed for reproduction. The ensuing hormonal changes throw ovulation off-kilter.

Knowing that diet can strongly influence blood sugar and insulin, we wondered if carbohydrate choices could influence fertility in average, relatively healthy women. The answer from the Nurses' Health Study was yes. We started by grouping the study participants from low daily carbohydrate intake to high. One of the first things we noticed was a connection between high carbohydrate intake and healthy lifestyles.

Women in the high-carb group, who got nearly 60 percent of their calories from carbs, ate less fat and animal protein, drank less alcohol and coffee, and consumed more plant protein and fiber than those in the low-carb group, who got 42 percent of calories from carbohydrates. Women in the top group also weighed less, weren't as likely to smoke and were more physically active. This is a good sign that carbohydrates can be just fine for health, especially if you choose good ones.

The total amount of carbohydrate in the diet wasn't connected with ovulatory infertility. Women in the low-carb and high-carb groups were equally likely to have had fertility problems. That wasn't a complete surprise. As we described earlier, different carbohydrate sources can have different effects on blood sugar, insulin and long-term health.

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  • Posted By: RMankovitz @ 06/07/2009 2:34:43 PM

    This article is yet another example of medicine (an art) masquerading as science. As a holistic health practitioner, research scientist, and author of several books on wellness, I am quite familiar with the Nurse's Health Study, upon which many of the conclusions in this article are based. Like the majority of health studies, this one is poorly designed, does not control many of the critical variables that affect the outcome, and repeatedly confuses correlation with causation. The result is that at least half the conclusions fly in the face of reality when seen through the template of Nature. You remember her. She evolved us and every other living thing on the planet. She has been my guide to health for decades and has never let me down.

    Here are a few reality checks:

    1. The study: plant protein appears to be better than animal protein. Nature: that is only true if you eat grain-fed caged animal products. If you eat what I created - organic free range grass- and grub-fed animal products, the reverse is true.

    2. The study: eat more protein from beans. Nature: do not eat my plant embryos. I put toxins in them to discourage you. Many of them like the ones in soy will make you infertile and reduce your partner's sperm count.

    3. The study: women are born to run. Nature: women food gatherers have no need to run ??? plants don't move. Vigorous exercise will damage your skeleton and lead to a cessation of menstruation. Pay attention.

    I could go on ad nauseum, but you get the idea. The medical community, in its arrogance, believes it knows more about the female body than Nature, and has even declared the birth event as an illness that requires hospitalization. Nature: I designed you to give birth in a squatting position.

    The study and the article completely missed the most important points in giving birth to a healthy baby, which is the ultimate goal. Parents need to prepare at least 2 years before conception to clean up their toxin profile. An example is PCOS, caused by an iodine deficiency resulting from a buildup of toxic halogens ??? bromide, chlorine and fluoride. If you want to learn from Nature how to produce health children, read my book: "The Wellness Project," and give a copy to your doctor.

    Roy Mankovitz, Director
    www.MontecitoWellness.com

  • Posted By: danrupp @ 04/27/2009 9:40:50 AM

    being exposed to mobile phones, televisions, and computers wont stop you from getting pregnant. Plenty of healthy
    women and pregnancies can tell you that. What american women, or all women need to know is that a big fat, obese
    woman in her 20's and 30's is going to have trouble getting and staying pregnant more often than a thinner, healthier,
    woman in her 20's ans 30's. If you have never exercised, sit infront ofthe tv a lot, eat crappy food all the time, eat processed foods all the time, chances are you are not healthy. Women think just being in your 20's and 30's is enough to get you pregnant. It isnt. and everyone is getting FATTER. Kids are fatter, young adults are fatter, oh my god! The summer is here, and the big fat women in bathingsuits they ahouldnt be wearing are on their way! 20 yrs from now 70% ofthe kids in our school system will be obese! You watch! By the way, women in underdevolped nations have sick babies who sometimes die in infancy, as the moms themselves can dies durinfg delivery. They have disgustingly sick babies all the time. Heavy metals in our environment dont cause pregnancy problems. Just like vaccinations cause Autism. We are more likely to believe that power lines cause breast cancer than we are to believe our diets that are in fat, our total lack of exercise, and our high fat diet do. And, by the way, keep on smoking and drinking, that helps too! Dont worry about thefact that you did all that stuff yrs ago, it doesnt affect you now, right?? WRONG!!! WE ARE A NATION OF DUMB DUMBS!!!!

  • Posted By: danrupp @ 04/27/2009 9:40:05 AM

    being exposed to mobile phones, televisions, and computers wont stop you from getting pregnant. Plenty of healthy
    women and pregnancies can tell you that. What american women, or all women need to know is that a big fat, obese
    woman in her 20's and 30's is going to have trouble getting and staying pregnant more often than a thinner, healthier,
    woman in her 20's ans 30's. If you have never exercised, sit infront ofthe tv a lot, eat crappy food all the time, eat processed foods all the time, chances are you are not healthy. Women think just being in your 20's and 30's is enough to get you pregnant. It isnt. and everyone is getting FATTER. Kids are fatter, young adults are fatter, oh my god! The summer is here, and the big fat women in bathingsuits they ahouldnt be wearing are on their way! 20 yrs from now 70% ofthe kids in our school system will be obese! You watch! By the way, women in underdevolped nations have sick babies who sometimes die in infancy, as the moms themselves can dies durinfg delivery. They have disgustingly sick babies all the time. Heavy metals in our environment dont cause pregnancy problems. Just like vaccinations cause Autism. We are more likely to believe that power lines cause breast cancer than we are to believe our diets that are in fat, our total lack of exercise, and our high fat diet do. And, by the way, keep on smoking and drinking, that helps too! Dont worry about thefact that you did all that stuff yrs ago, it doesnt affect you now, right?? WRONG!!! WE ARE A NATION OF DUMB DUMBS!!!!

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