Gut microbes are only recently being studied as a potential weight gain cause, too.

People having the exact same lifestyle and diet may have very different results.[1]

[1]: The Diet Myth from Dr Tim Spector

Not at all. This is also known for decades. Sterile mice get fat. Low dose antibiotic is used for animal fattening as dominant antibiotic source.

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Pooge 2 days ago | parent [-]

Okay, sure it's been studied for longer but until very recently it wasn't really in the debate—or rather, in the average Joe's mind. Go to a nutritionist and they will tell you to eat less than you consume despite it being much more complex.

So I maintain my point. In fact, most of HN, which I consider educated, probably doesn't know about that. I myself heard about it very recently.

	▲	majkinetor 2 days ago \| parent [-]
		I find HN's general knowledge extremely lacking when nutrition is in question, basically at the level of general population.