Accepted knowledge is that high carb low fat diet is good. Paleo diet says opposite, the claims seem solid for the Paleo diet but I am still skeptical as Science seems to think that conventional wisdom is correct but am looking to see if there are any problems with either side of the argument.
One day I stumbled across this site.
The basic claim laid out there is this: We as humans only started eating large amounts of carbs when we got into agriculture. Even then, it's only in the last 100 years we started to put them (including sugar) into everything in large amounts. The human body was not made for this and quite a few modern diseases can be traced back to eating too many carbs (diabetes and obesity are easiest to connect to carb overconsumption).
The process in your body can be summarized like this:
- When you eat carbs your body immediately converts them to glucose.
- Because of the higher blood sugar levels (lots of glucose in your blood,) your body makes insulin.
- The insulin puts your body in a state where it absorbs all glucose it can find into its cells and starts running on glucose.
- At the same time, instead of using it, your body stores all fat that comes in.
- The result is that, when your done eating, it won't take that long to work through your glucose stores (usually one or two hours) after which you will be hungry again. So you'll start filling up on carbs again and in this way leave the fat stores constantly growing.
The science behind this seems solid but the leading advice agencies still advise eating lots of carbs and staying low on fat and protein.
It took me a few weeks of off and on reading of everything I could find on this subject before I started to believe in the science. I was really skeptical when I read the first page, but I had a real hard time finding holes in the theory so, in the end, I gave it a try. It's been around 5 weeks now and I've lost 6 kilos, the great thing is that I have been less hungry then normal (while eating a few hundred calories less a day).
I can't find any serious problems with this diet (lifestyle). I'm hoping for some discussion on the health benefits or problems associated with this lifestyle. The most common comment is that eating more fat and protein will give you a elevated risk of heart disease. I believe its a lot more complicated then that. If you take in account the two different kinds of cholesterol (LDL and HDL?) and adjust your diet to optimize the balance between those two I think the risk of heart disease as a result of the higher fat and protein intake is negligible. The fact that you will almost definitely lose weight however will do wonders for your chances of (not) getting heart disease.
To further clarify my question: the accepted knowledge is that its healthier to live on a low fat, high carb diet. The Primal or Paleo diet says its the other way around, that low carb, high fat is healthier. Science seems to think conventional wisdom is correct and a high carb, low fat diet is best. I'm looking for a skeptical look at the facts. Am I goaded into believing a pseudo diet science? Or does the claim that a low carb, high fat diet is healthier seem scientifically plausible?
I would like to end with saying this is my first contribution to this stack exchange community, so if this question has any major flaws, I would like to hear what I can do to fix them. I would also like to mention that English is not my first language so please excuse me for not being as clear and concise as I might have been otherwise, I found it hard to summarize this subject to a relatively small piece of text. :)