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to Todd: i checked out the study u linked. this study was evaluated based on questionnaires.i think self reporting based study should be taken w a pinch of salt as there is no way to determine how accurate te participants reportings were. also, the study concluded that the gain was as a result from the increase kcals, not because of the milk itself. i would also to suggest another possible explantion for the results of this study: there were adolescents who drank more milk. adolescents is a period where calcium absorption is high as they are growing. hence, the participants… Read more »
Well done James. I was going to comment to that “singular” person but didn’t think it worth the effort. I’ve posted on the direct stimulation of insulin by long chain free fatty acids (NEFA/FFA). Since the elevated NEFA/FFA seem to be early on in the progressing of IR/MetS/T2 due to large fat cells losing their insulin sensitivity, this seems a plausible mechanism for how obesity increases basal insulin. The obese or insulin resistant will secrete more in response to dietary stimuli, but this is because of decreased sensitivity to it. When you think about it, IF carbs –> insulin –>… Read more »
James, While not tied directly to the insulin issue, per se, your mention of potatoes and rice rating well in the satiety department got me thinking about these foods a bit more. I am wondering if you have any quick thoughts on whether it is worth the effort to prepare brown rice (as one example of a grain) in the traditional manner to reduce anti-nutrient content/impact versus simply consuming white rice with some mixe vegetables, instead. This question stems, in part from my reading of Dr. Stephan Guyenet’s (someone you’ve mentioned in the past) blog and being introduced to various… Read more »
Giueseppe,
I’ve heard many people talk about the anti-nutrient content of grains, and how different preparation methods can affect this content, but I have not done enough reading of the literature in this area to form an opinion. This is a good topic though that I hope to investigate some time in the future.
Another great post, James – keep it up!
Btw; i’ve posted a question for you in your article ‘Physical Activity and Weight Regain’, great if you could answer that.. Just posting here in case you didn’t see it, no stress!
James, I’m not sure that you have shown unambiguously that dairy and dairy protein are not fattening. Some recent studies show that milk does in fact lead to weight gain. Here is a 3-year study of milk consumption in adolescent children, conducted by an all star cast including Harvard’s Walter Willett: Scientific version: http://www.ncbi.nlm.nih.gov/pubmed/15939853 Popular version: http://www.washingtonpost.com/wp-dyn/content/article/2005/06/06/AR2005060601348.html Another study (albeit in obese rats) shows that the presence of calcium in the milk may attenuate both the weight gain and the insulin response otherwise seen with calcium-free diary proteins like whey and casein. This study suggests that one cannot draw the… Read more »
Some recent studies show that milk does in fact lead to weight gain. Here is a 3-year study of milk consumption in adolescent children, conducted by an all star cast including Harvard’s Walter Willett First, this paper is an observational trial and cannot establish cause and effect. Second, the data in this paper is quite clear that the increased weight gain was related to increased energy intake (imagine that!) and not dairy specifically. Third, even if this paper did demonstrate an association between dairy and weight gain, you must understand what the majority of the evidence indicates, not one paper.… Read more »
The more I examine the matter, the more I suspect that high omega-6 intake in conjunction with high carbohydrate intake drives insulin resistance. Magnesium imbalance seems to figure into the equation. Here’s a comment by Ted Hutchenson: “As a personal comment on the argument. I’d been following conventional health advice regarding healthy eating and because I am unable to exercise regularly or vigorously (late effects of polio) was faced with the prospect of always eating fewer calories than my appetite demanded or getting heavier year on year. As I had got to the point of being virtually unable to walk… Read more »
David,
I am of the opinion that there is no single driving cause behind insulin resistance. There are many causes of insulin resistance, and many of these causes are interacting with each other to help drive insulin resistance in society.
Good stuff as always. Working with a smart endocrinologist a few years back I learned how it is possibly the excess fat (visceral fat) that is causing the insulin resistance, and not the insulin itself. At first I was perplexed, but it all makes more sense now that we understand that visceral fat is hormonally active. Thank you for the studies!!!
James, I have been reading your information since Lyle Mcdonald mentioned you and I am extremely impressed with your knowledge and ability to break things down for us lay people to understand.
Whenever someone presents a new point of view it seems everyone jumps on the bandwagon to bash it regardless of wether it is supported by science. Keep giving them hell.
I believe you mentioned going to a paid subscription for the site. Wonderful idea I would gladly pay to read cutting edge views on nutrition because everyone else is just rehashing the same old shit.
for the longest time, i thought chronic high insulin level would cause insulin resistance. apprently, its the other way.
gd stuff. as usual, u counter yr critics w evidence based arguments and w grt composure( how do u not seem ever to lose yr temper no matter how others insinuate stuff abt u?!?)…keep it up, looking forward to expanding ma knowledge w yr articles.
Keep the good information coming!
Even I like following a lower carbohydrate diet (although I incorporate high carb days) and I find this information valuable. I never believed that a hormone can be inherently bad anyways, or else we wouldn’t have it.
It’s just the excess of said hormone or said nutrient.