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Fat-fueled brain: unnatural or advantageous?

blogs.scientificamerican.com

311–319 of 319 posts

Re: Fat-fueled brain: unnatural or advantageous?

#311

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"plenty of veggies and fruits" "cut out sugar" You can't do both.

> You can't do both. Yes you can, because unless you're being obtuse, I'm obviously talking about processed white sugar, not fructose found in real food.

"processed white sugar" is half fructose.

Re: Fat-fueled brain: unnatural or advantageous?

#312

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Research? Sort of. Experience? Yes. Owsley "The Bear" Stanley, the famous LSD manufacturer and Grateful Dead sound engineer, lived very healthily on an all-meat diet for over 50 years. (Note: he did have cancer, though likely due to HPV and years of secondhand cigarette smoke and firsthand marijuana smoke, and his diet probably helped him survive it, and he had a heart attack, but that was likely due to complications…

Thanks for the links. I went deep into the Bear thread, definitely an interesting man. Funny enough as I began reading I was thinking, "I would only do this if I had access to cheap Australian grass-fed beef," and it turns out he lived there. Commercially available beef in the US is plain awful; Whole Foods carries grass-fed Australian but it's expensive. Fortunately I'll be moving there soon. Now, I've been doing a…

Start here: http://www.empiri.ca/p/eat-meat-not-too-little-mostly-fat.ht... (And check out the other posts on the blog, too.)

As for grass-fed vs. grain-fed, most of the arguments seem to center around omega-3, omega-6 ratios. The difference between grass-fed and grain-fed are negligible when you compare them to chicken and pork, let alone nuts and vegetable oils. If I could afford grass-fed beef, I'd eat it, but I think grain-fed beef is fine, especially in the United States. If anything, it has more marbling, so yum! For what it's worth, the Bear argued there was little difference nutritionally and that it had more to do with texture and flavor.

Re: Fat-fueled brain: unnatural or advantageous?

#313
post #252

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> If you don't have enough calories the body will switch to starvation mode This is a myth which has been proved to be absolutely false. You are simply wrong if you are basing any conclusions at all of of this.

> proved to be absolutely false I'm perfectly willing to be shown that I'm wrong, but I'll need more than just a sentence from you saying so. You said "proved" - can you show me the proof?

Dr. Jason Fung has done extensive research and experiments on this topic including fasting. You can read his research in his book obesity code. Very eye opening.

Re: Fat-fueled brain: unnatural or advantageous?

#314
post #146

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What is the logic behind putting butter in your coffee? If your goal is to lose weight, wouldn't not eating that butter still be better than eating it?

When I tried keto a few years back (an interesting experience, to say the least), and I eliminated almost all carbs from my diet, estimated the calories that are left, I found I needed to eat a LOT more fat to reach a sensible daily amount of calories. Like heaping a few big tablespoons of mayo on a bowl of broccoli lots (being Dutch, cue the Pulp Fiction references :) ). Maybe it's just that I've never been a very b…

If you are not opposed to eating sea food, there are many fish that are good on keto. Mackerels, Sardines, Anchovies, and Salmon come to mind, plus they have a high ratio of omega 3 vs omega 6 and 9. I eat lots of Avacado and use a lot of olive oil you can cook vegetables in. You honestly want to go light on the nuts, because even many of the fatty ones still have quite a few carbs, and the omega fat ratio is not great. Also flax is a big deal. I get what you are saying though; I think it would be difficult to be vegetarian on this diet, though ironically I probably eat less meat than I did before keto.

Re: Fat-fueled brain: unnatural or advantageous?

#315

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Normal and healthy diets are balanced; most people's diets are excessively heavy in carbs, so no, I didn't neglect that at all. People should eat less carbs and more fat until they're somewhat of a balance, going in either direction by cutting out one or the other is not eating healthy. Keeping your body in long term ketosis is neither healthy nor particularly pleasant. Yea, eating a pure carb snack is going to make…

The tricky part is that it isn't clear what "balanced" means. Our bodies can survive on vastly different allocations of the three macronutrients. Carbohydrates are not required at all to my knowledge, while some amino acids and fatty acids are essential and cannot be synthesized from other foodstuffs. Its possible to get most of your calories from carbohydrates, protein, or fat. The question is what is the right bala…

You don't have to be able to define balance, to point out unbalanced, and any diet largely cutting out one of the 3 is unbalanced.

> I've eaten a low carb, high fat, moderate protein diet for about 4 years. All my blood markers (cholesterol, triglycerides, etc) have improved significantly over that time period.

That's like saying I've been smoking for 4 years and I don't have cancer so smoking must not have any long term adverse effects; bad logic and insufficient sample size.

Re: Fat-fueled brain: unnatural or advantageous?

#316

Earlier quoted context omitted.

The tricky part is that it isn't clear what "balanced" means. Our bodies can survive on vastly different allocations of the three macronutrients. Carbohydrates are not required at all to my knowledge, while some amino acids and fatty acids are essential and cannot be synthesized from other foodstuffs. Its possible to get most of your calories from carbohydrates, protein, or fat. The question is what is the right bala…

You don't have to be able to define balance, to point out unbalanced, and any diet largely cutting out one of the 3 is unbalanced. > I've eaten a low carb, high fat, moderate protein diet for about 4 years. All my blood markers (cholesterol, triglycerides, etc) have improved significantly over that time period. That's like saying I've been smoking for 4 years and I don't have cancer so smoking must not have any long…

> You don't have to be able to define balance, to point out unbalanced

Yes, you actually have to be able to define what range of mixes counts as "balanced" before you can label anything as outside of that range. (And, moreover, if you want to credibly assign significance to that label, you probably also need to be able to provide evidence that your definition of "balanced" corresponds to a range outside of which there are serious negative consequences.)

Re: Fat-fueled brain: unnatural or advantageous?

#317

Earlier quoted context omitted.

You don't have to be able to define balance, to point out unbalanced, and any diet largely cutting out one of the 3 is unbalanced. > I've eaten a low carb, high fat, moderate protein diet for about 4 years. All my blood markers (cholesterol, triglycerides, etc) have improved significantly over that time period. That's like saying I've been smoking for 4 years and I don't have cancer so smoking must not have any long…

> You don't have to be able to define balance, to point out unbalanced Yes, you actually have to be able to define what range of mixes counts as "balanced" before you can label anything as outside of that range. (And, moreover, if you want to credibly assign significance to that label, you probably also need to be able to provide evidence that your definition of "balanced" corresponds to a range outside of which ther…

> Yes, you actually have to be able to define what range of mixes counts as "balanced" before you can label anything as outside of that range.

No, you don't; for example, eliminating one is not balanced now matter what numbers you assign to balance.

Re: Fat-fueled brain: unnatural or advantageous?

#318

Earlier quoted context omitted.

> You can't do both. Yes you can, because unless you're being obtuse, I'm obviously talking about processed white sugar, not fructose found in real food.

"processed white sugar" is half fructose.

Yes, but it's also not diluted with a ton of fiber like fruit; don't be obtuse.

Re: Fat-fueled brain: unnatural or advantageous?

#319

Earlier quoted context omitted.

Is something like Ensure allowed on keto? Its awfully convenient mid day.

You want to maintain a healthy amount of fat, usually 50-70% of calories from fat. If you eat too much protein, it is converted to glucose and you won't reach higher levels of ketosis.

Protein is a big scale that varies a lot - if you're working out or need it to sustain your muscle mass, then it's fine. It's the leftover protein that becomes a problem.
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