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Comment by ProAm | Hacker News Reader

This isn't news it's be known for decades?

Yea it’s on the oatmeal boxes even. Part of what’s interesting about this study though is they claim this two day intensive(300g per day) oatmeal diet showed microbiome changes which persist for months.

Yeah for reference 54 grams is about 200 kcal, so this is 1200 kcal or so of just oats. That leaves 600-800 kcal for other food if you’re targeting 1800-2000 kcal/day which is a reasonable calorie restriction. So this isn’t really a sustainable diet in the long term.

Two days isn't long term though.

Oatmeal is fine, but has nothing on hulled barley.

Oats are for horses. Mankind basically co-evolved with Barley.

Barley was the preferred food for cavalry horses alongside oats since antiquity so “oats are for horses” is a medieval European quirk.

Hulled barley gives me the worst stomach ache of my life. I’m a horse I guess.

This comment actually had me 'laughing out load', haha. I've never tried Hulled Barley, and I guess now I'm put off from even trying :)

People go too hard, you really just need to drink 1 tsp ground up and boiled in a drink. It aggressively gels with water so it's best consumed like it was historically as a "small beer", with lot's of water.

> Oats are for horses

ANZAC Cookies are the greatest foods on THE PLANET

300g of oatmeal is about 3.3 cups (US measure).

I would consider a normal bowl of oatmeal for breakfast to be about half a cup, so this is quite a bit more.

Which is why they are spreading the 300g out over an entire day, and it's the entire diet for 2 days.

The study is not suggesting this is a long-term diet. They're saying "eat oats for all your food for two days, and your cholesterol lowers by ~10% and then stays low for ~6 weeks due to changes in your gut biome".

They're not saying eat 300g for breakfast and then eat as normal. They're not saying do this every day.

They're saying 2 days, this is what you eat, spread out to replace all your meals across those 2 days, then go back to normal.

Yeah... a large (1" tall) canister of oatmeal is 1.2kg so imagine eating 2 big ass cans of oatmeal a week.

I think you are mixing up oats and oatmeal. And I think (but am not positive) that the study is referring to 300g of prepared oatmeal.

That wouldn't really make sense since amount of water could vary. Anyway the article says "Each oat meal comprised 100 × g of rolled oat flakes... boiled in water."

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