The Paleolithic diet, in recent years, has basically clubbed America upside the head and dragged many of us around by our hair. Swept us off of our feet, as it were. The idea of consuming a diet based on what early humans might have eaten has captured the imaginations and bellies of many, including the scavengers.

The Paleo industry is closing in on $300 million in sales annually, according to a trade group known as the Paleo Foundation. Paleo products include personal training and specialized gear like "finger" shoes, but most of the sales are in goods of an edible persuasion. They include a dizzying array of certified Paleo foods like granola, mushroom coffee, cold-brew wellness tea, Filipino pili nuts with Himalayan sea salt, skillet taco sauce I think you get the pictograph.

The Paleo Foundation website says there is even a growing Paleo/vegan crossover market. At first this sounds like a joke. Are we talking free-range tofurkey bone broth?

I guess that Ive taken it as a given that our ancestors were feasting on wild game 24/7. But in many primitive societies, past and present, anthropologists have noted that the village gatherers regularly outperform the hunters.

A collection of DNA, carefully scraped from the teeth of Neanderthals, tells a story of diet diversity that varied by location. Some of the teeth did indeed indeed display the microbial fingerprints of a meaty diet woolly rhinos and wild sheep, specifically. But bits of dental plaque from other individuals showed no evidence of meat whatsoever. Instead, they suggested a diverse diet of things like mushrooms, tree bark, pine nuts and moss.

It suggests fiber, in its many forms, might be an unsung player in a real Paleo diet, perhaps even swept under the rug by the certified Paleo steak and buttered lobster contingent. But it isnt hard to imagine that more plants than animals were eaten, day in and day out. Maybe the Paleo vegans were a thing after all.

The low-carb part of the Paleo diet is less up for debate. Prior to the invention of agriculture, processed carbs of any kind simply didnt exist. No Twinkies and pasta and sugary drinks, obviously, and even the fruit and berries they ate were less sweet than todays fruit. The Paleo diet is hardly the only one built on a low-carb foundation, but only Paleo can lay claim so perfectly to that theoretical underpinning.

Most Americans eat more sugar and processed carbohydrate than they need, which is why so many of them respond to a low-carb diet.

Some human clinical studies suggest that following a diet low in processed carbohydrates produces better outcomes than a more typical high-carb diet. Diabetics, for example, have seen markers like insulin levels, insulin resistance and blood sugar improve.

A recent meta-study found that a Paleo-esque diet improves risk factors for metabolic syndrome, a constellation of chronic conditions including heart disease, high blood pressure, high cholesterol, belly fat and diabetes.

Movement and exercise is something that our Paleo ancestors had plenty of, but modern man tends to be more of a slacker. Some people climb trees or go to CrossFit class for their Paleo workout, but you cant get much more primal than foraging. It gets you moving in the fresh air, and engages your primal senses.

You approach the landscape differently when you forage then when hiking. More like a predator, and less tourist on a trail. More time crashing through the brush to where the landscape says you should go. More time staring at the ground, which is good because the plants you seek are probably under your nose. Keep a lookout for Paleo vegans. They are friendly but startle easily.

Springtime is an especially good time to forage, because the landscape is rich in edible shoots. Winter has historically been a tricky time to get your vitamins and minerals, and the young, often-bitter sprouts that push up through the mud have long been a source of a spring tonic.

Nettles are among the first edible plants to emerge. They evoke caution, thanks to their being covered with silica hypodermic needles full of formic acid, aka ant bite venom. Cooking them will take care of that problem, and what is left is a nutrient-dense plant full of forest umami and spring tonic. And fiber.

They hang out in spots that are moist but not wet, in areas that are open but not super-sunny. Deer tend to keep a wide birth, leaving the plants around nettle patches a bit overgrown.

When you find some, snip off the top few inches just above a joint, like topping a basil plant the tender part. Use gloves or scissors, or your bare hands, to put the nettle tip into a bag. The tingling isnt that bad, and vanishes quickly. Some people even think a few nettle stings can cure various ailments, like natures acupuncture.

A good way to start eating nettles is to first blanch them in boiling salted water, where after 90 seconds the formic acid injectors irreversibly wilt. Immediately transfer the blanched nettles to a pot of ice water to keep them bright green.

From there, any number of options await. Drizzle them with olive oil and soy sauce, or grind them into pesto.

Or make this nettle soup. It doesnt prove that Paleo-vegans exist, but it does prove that if they do exist, they eat well.

1 clove of garlic, grated or pressed

Chicken stock (or mushroom, to keep it vegan)

Slice the onions and sautein butter or olive oil (or both). When they are translucent, add carrots, celery and a quart or so of stock, and simmer with about a teaspoon each of cumin and garlic powder. Meanwhile, blanch and shock the nettles.

When the carrots are soft, add the fresh garlic, stir it around and kill the heat. When cool enough to blend, puree the whole thing. Puree the nettles separately and stir them in. Adjust seasonings and serve.

The addition of those nettles at the end transforms a relatively bland, pedestrian bowl of seasonal vegetable soup into something spectacular, primal and deep green. A little wild goes a long way.

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Flash in the Pan: Paleo-vegan nettle soup - The Missoulian