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> I’ve found the science behind fasting to not be compelling, or to be conflicting, however, fasting is working well for me at the moment.

Precisely, do what works for you. I have one big dinner every 48 hours after working out, and either an egg, a piece of fruit, a cereal bar or a yogurt for all other meals.

This works well for me, yet colleagues think I am crazy, and here on HN I have been accused of having an eating disorder [1].

[1] https://news.ycombinator.com/item?id=31266709

"also because I work much better with black and white rules than with shades of grey that rely on willpower."

Complete abstinence is easier than the perfect moderation.

   --St. Augustine

While I completely agree with this sentence in reference to food, in the original text from "De bono coniugali" (On the Good of Marriage), which contains words that are omitted in the English translation:

"multi hodie facilius se tota uita ab omni concubitu abstineant quam modum teneant non coeundi nisi prolis causa, si matrimonio copulentur",

St. Augustine did not refer to the desire of humans for food, but to the desire of men for women (where "moderation" was understood to mean that the desire must be satisfied only with the purpose of making children "nisi prolis causa").

Then do keto or carnivore and you dont have to fast (has to be high fat) or feel hungry (which is often carb withfrawal).

Tried keto, lost a little bit of weight at first, but then found it very easy to over-eat and gain weight. Was tracking with pee sticks pretty religiously. The carnivore diet sounds unhinged to my naive ears.

I do carnivore and it breaks my heart that people dismiss it so much. It is just a flat out miracle diet.

Ditto. I'm more than two years into it an honesty I'd be dead without it. And eating this way I naturally fall into an "intermittent fasting" schedule, because that's all I want to eat.

You should do blood ketone & glucose metering if you want accurate debigging (cgm bllod would be pro debugging)

Keto diet changed my life. More energy, focus, mental balance, etc. it’s astounding. Processed carb foods must be truly poison

Not sure meat only diet is advised.

Let alone if everyone would adopt a meat only diet it wouldn't be sustainable. The meat industry is already a major contributor to biosphere destruction.

Dr Wareham (heart surgeon) on eating meat https://www.youtube.com/watch?v=FX58PyQwrcI

Dr Neal Barnard on debunking meat myths https://www.pcrm.org/news/news-releases/plant-based-doctor-d...

Ex special forces guy explains why the meat industry is not sustainable https://www.youtube.com/watch?v=BUMGBwgGYWw

The Inuit seemed to do very well on it, before they were introduced to grains and other starches.

Last time I checked the Inuit didn't have a large scale meat industry that kills billions of animals each year and that pollutes and destroys our biosphere and uses huge amount of resources.

The Inuit or any other tribes live with Nature and preserve it.

We don't - we do the opposite.

Wait until you find out how much energy, pollution and waste you created to write that.

Yep - you're right.

Hence why accelerating the transition away from fossil fuels is key.

But suggesting to switch to a meat only diet to be healthy is not a solution to our climate crisis. In fact it would worsen it.

The real problem is people. What strategy do we have to reduce the world population? Is that topic too taboo? Because it's the core issue.

World population is projected to stabilize by the end of this century, so I'm not sure population is the main problem.

The issue is our consumption habits and how much GHG and pollution it creates - mostly by the West [0]

So a more concerted effort to transition away from relying on meat to feed the world is one step we can make [1]

Energy is another, which is happening slowly, EU for example is now accelerating the use of more sustainable energy sources - renewables and nuclear.

[0] https://www.bbc.com/future/article/20211025-climate-how-to-m...

[1] https://www.research.ox.ac.uk/article/2019-09-03-planning-fo...

Lol. How you kill the animals, or how many has NOTHING to do with what you're actually eating. If Inuits killed 10,000 animals and only ate 5 of them, parent's comment would still be true.

The point is that it's not sustainable.

We can't feed the world with a meat only diet.

There are other diets that are more sustainable.

People who switched to a meat only diet usually cut out junk and highly processed food - of course you're seeing a more positive change.

Don't eat highly processed food, reduce saturated fat and reduce sugar intake.

Parent wasn't talking about the climate or sustainability at all. My point is that that's not what the conversation is about. The parent was talking about _health_, not climate. Sustainability of meat industry is irrelevant completely to healthiness or non-healthiness of being a human carnivore.

And yet how we feed ourselves is tightly linked to the climate crisis.

You can't disconnect the two unfortunately.

Here is an interesting graph from IPCC's data showing the impact of various diets on green house gas emissions. https://www.nature.com/articles/d41586-019-02409-7

The Inuit get much more calories from fat than from proteins.

Any human who eats mostly lean meat or any other food with more proteins than the sum of fat + carbohydrates, dies soon.

Carnivore is high-fat and medium-to-low protein.

Do keto diet first. Then upgrade to carnivore.

Always find a doctor that affirms what you've already decided. It works for me because im smart and decide the correct thing.(its very hard and lucky to be)

Seeking a doctor who tells you what you set out to prove is stupid. Sorry for the harsh language but it is.

Yes, it is. But can be the opposite too. It depends on you.

You can find a doctor that tells you to do vegan,keto,carnivore,sad diet, etc etc. Which doctor will you "find"? Will you listen to the first doctor? The opinion of the most doctors?

What is your logic on which doctor you will listen to?

I think that fasting is completely different than keto/carnivore.

Do you really want to feel less hungry by replacing carbs with fat/protein?

Fasting seems to purge your system and your body gets used to digesting sometimes and being clear other times.

Also it seems fasting has aging benefits. Lowering calories leads to longer lifespan. And fasting might be one of the only ways to metabolize senescent cells (autophagy)

What does these 20:4, 16:8 numbers mean?

20 hours no eating - 4 hour eating window.

16 hours no eating - 8 hour eating window

Sleep counts as not eating.