Does anybody even know what gluten-free means? Where was “gluten” in the 80’s? Where were peanut allergies in the 70’s?

Your ignorance doesn’t make any of that true.

My mother’s best friend in school died of anaphylaxis, at 14, in the 1950s. Coeliac disease – first described by Areteaus of Cappadocia 2,000 years ago – was linked to gluten during WWII. One of the Pharaohs died of an allergic reaction to a bee-sting. A physician, John Bostock, characterised hayfever in 1828.

Incuriousness puzzles me. When I realise there’s something I don’t understand, I find out about it. Why do you, instead, post insincere rants disguised as questions on Quora?

If you go back in time to stop yourself from trying one food what food is it?

It can be to stop a food addiction or something that.

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Wheat. Makes me sick as a dog.

Otherwise I’m fairly open to trying any food. Maybe not deep-fried tarantulas, though.

Did the Irish only eat potatoes during the 19th century? (the Irish Potato Famine era)

If so, where did they get the nutrients that are not found in potatoes? For example, where did they get vitamin A? (potatoes completely lack vitamin A).

I’m asking this because of the Irish Potato Famine.

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Potatoes and milk (or buttermilk) formed the main diet of the peasantry, certainly in the first half of the 19th century, which is what made the Famine so devastating.

As a diet, it’s actually pretty healthful, if a little dull – although I’m sure it was enlivened with butter, onions, wild garlic, field mushrooms, young nettles, seaweeds such as dulse, and so forth whenever possible. Contemporary visitors to Ireland often remarked on Irish people’s healthiness, height, muscularity, and freedom from many markers of poverty such as skin eruptions, compared with the peasants of other countries.

Potatoes are comparatively easy to grow and prepare (no winnowing, threshing, grinding, baking, etc., required), and have a high calorific content. Note that, in The Martian, the hero decides to grow potatoes to survive (and waffles on about them for most of the book…) – not wheat, not quinoa, not sprouted alfalfa: the humble potato. You don’t even need much land, or decent soil. Stick a hairy spud from the back of the cupboard in some straw, and in 90 days or so you’ll have enough potatoes for a family Sunday roast. Keep covering up the leaves as they appear and you could potentially have spuds for dinner till the end of time.

So, when the zombie apocalypse starts, get your shovels out – one blow to the brain, ready-made growbags…