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Fat-fueled brain: unnatural or advantageous?

blogs.scientificamerican.com

261–270 of 319 posts

Re: Fat-fueled brain: unnatural or advantageous?

#262
post #168
post #62

I've been doing Keto since Feb 25 2016. My primary goal when switching over was weight loss, which turned out to be easy. I'm 25, male and was experiencing growing health complications related to obesity. I've lost well over 60 lbs since making the switch despite the fact that I maintain a primarily sedentary lifestyle though I now work out weekly as well as take bi-daily walks. There are downsides though. It's not c…

My biggest problem with keto was issues with getting enough potassium. There's no easy way to supplement it in the US, unless you get a prescription for supplements. I tried using No Salt, but I hate the taste. Lite Salt was tolerable, but I'd end up exceeding my recommended amount of daily sodium.

What? Amazon lists dozens of types of potassium supplements.

Re: Fat-fueled brain: unnatural or advantageous?

#263
post #25
post #7

I do keto once a year for about 3 months, and truth be told I feel like a superman. I feel more energetic, loose a ton of fat (ironically with increased fat intake), get more stuff done and overall feel better. The only reason is stop doing it is because I'm a sucker for sweets :) I started all this by asking a friend of mine who's a personal trainer what's the best way of loosing 15 kilos (because I was fat) and he…

I did keto for 4 months at the beginning of this year, and I did lose 40 pounds, and generally felt great. But then I started getting more active and picked up tennis. I found that after 30 minutes, I was completely out of energy. It wasn't that I was tired, it was that I literally felt like I was out of fuel. Taking a swig of Gatorade immediately picked up my game, and so I had to introduce carbs back into my diet j…

I expect you were missing electrolytes, not carbs. That's what the Gatorade helped with.

Re: Fat-fueled brain: unnatural or advantageous?

#265
Whenever I'm keto adapted, I can fast for 23 hours out of every day without any effort. I eat once, between 6PM and 7PM.

Recently, I've been following the zero carb movement, which advocates only eating animal products (meat, fish, fat, cheese, cream, egg) and drinking water. I'm looking forward to exclusively eat beef and drink water for an entire month.

Re: Fat-fueled brain: unnatural or advantageous?

#266
post #62

I've been doing Keto since Feb 25 2016. My primary goal when switching over was weight loss, which turned out to be easy. I'm 25, male and was experiencing growing health complications related to obesity. I've lost well over 60 lbs since making the switch despite the fact that I maintain a primarily sedentary lifestyle though I now work out weekly as well as take bi-daily walks. There are downsides though. It's not c…

I know it's mentioned in the article for long term but for the first couple weeks was there any difference in brain functioning? I'm not talking about anything severe, but if you have a job where you are using a lot of brain power, I'd imagine very low carb diet seems to be a little counter-intuitive. Like the article said the brain gets energy from ketones but is it the same amount/enough energy as regular carbs? Do…

If anything it's easier to stay mentally alert for longer periods of time on Keto. The body manufactures enough glucose to supply the brain with what it needs on its own, the remaining nutrient needs are covered by ketones which are produced in the liver.

If you have any significant stores of body fat (15-18% body fat is the ideal for males, ~18-20% for females) your body is expending those fat stores in order to supply itself with the energy it needs. This makes it easier to stay calorie-deficient while on keto. During the past 7 months I've easily stayed calorie-deficient 80% of the time or more. I never go hungry, I eat whenever I'm hungry, I eat until I'm full and when I tally up the calories that usually puts me at or below 1500 daily calories.

Now this was the weirdest part of keto for me: When I'm doing intermittent fasting regularly I experience the most significant cognitive improvements.

Re: Fat-fueled brain: unnatural or advantageous?

#267

Earlier quoted context omitted.

Has there been any more research into the long term health effects of Keto? I tried it years ago, but found it to be more of a pain than it's worth (I seem to have better luck with intense exercise 3x per week and avoiding sugar). And it seems like tons of meat and cheese is actually bad long term, in the sense it clogs your arteries or increases cancer risk. Atkins did not look like he was in good shape inside when…

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…

Holy shit, lyme disease! How could I forget posting about this! My friend had lyme disease and was told to look into keto by his doctor to help fight the disease. He's cured as of March this year.

Re: Fat-fueled brain: unnatural or advantageous?

#268
post #109

Earlier quoted context omitted.

> I mean I did do light cardio on and off, but I think it was mostly the diet that did it for me. Most likely. The amount of calories burnt by exercising is surprisingly low. Unless you really do a lot of it simply eating a bit less may be easier, esp. because you get hungry after exercising which easily leads to more intake than you have burned before.

That being the case, isn't exercise still very important to overall health - even if you're at a healthy weight? (Personally, I've never had any weight problems regardless of diet, but regular exercise makes a big difference in how I feel.)

Sure it is good for your health. If you are obese I think it may nevertheless often be better for your health to direct will power onto your eating habits to loose weight instead of using using that willpower to force yourself into exercising thinking it might help you achieving the former.

Re: Fat-fueled brain: unnatural or advantageous?

#269
post #62

I've been doing Keto since Feb 25 2016. My primary goal when switching over was weight loss, which turned out to be easy. I'm 25, male and was experiencing growing health complications related to obesity. I've lost well over 60 lbs since making the switch despite the fact that I maintain a primarily sedentary lifestyle though I now work out weekly as well as take bi-daily walks. There are downsides though. It's not c…

What is your daily carb limit? Why sweet potatoes, they have more carbs than regular potatoes. How do you achieve an adequate fiber intake?

20 grams.

Sweet potatoes have important nutrients. I do not eat significant amounts of sweet potatoes, and only eat them for the nutrients. A typical meal with sweet potatoes in them has far less than 100 grams of sweet potatoes in total. There's also things you can do to interfere with carbohydrate metabolization such as ingesting apple cider vinegar which contains acetic acid. See: https://www.reddit.com/r/ketoscience/comments/53kejq/acetic_...

I eat greens with fiber as well as psyllium seed husks. Broccoli and avocados are staples in my everyday diet.

Re: Fat-fueled brain: unnatural or advantageous?

#270
post #62

I've been doing Keto since Feb 25 2016. My primary goal when switching over was weight loss, which turned out to be easy. I'm 25, male and was experiencing growing health complications related to obesity. I've lost well over 60 lbs since making the switch despite the fact that I maintain a primarily sedentary lifestyle though I now work out weekly as well as take bi-daily walks. There are downsides though. It's not c…

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

KetoSoy, KetoLent, Keto Meal Shake, Keto Chow, KetoFuel
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