"The final content [of thallium in the kale] is a function of thallium soil concentration," Zbiral said. The isolation of 2020 is doing weird things to our bodies. But there's a compound within glucosinolates that interferes with your thyroid function-and some may worry that eating too much kale could hurt their thyroid and possibly even cause hypothyroidism (underactive thyroid). This is a suggestive hypothesis. So before you start throwing out all your produce, be aware that the science behind the kale scare looks awfully thin. She has a Master's Degree in Journalism from UC Berkeley. What's more, the idea that poisonous kale might be the cause of conditions as varied as arrhythmias and cognitive troubles seems suspect on its face. Back in 2010, according to the profile, Hubbard was running a study on detoxing at the Preventive Medical Center of Marin, and noticed that many of his 20 participants' urine samples had higher than normal levels of the heavy metal thallium. Before scientists were blinded by kale’s health food halo, they studied its horrific effect on livestock. As the Baltimore Sun reported, while cooked kale is still regarded as a nutritional powerhouse, if you are chomping down on too many raw kale salads, you may be running the risk of impairing your thyroid. However it also contains progoitrin, a compound that can interfere with thyroid hormone synthesis, as well as thiocyanate ions, which can overwhelm the iodine your thyroid needs, as the Daily Meal reported. Over and over, people would mention the crucifers, especially kale. They'd need to accumulate a lot of the metal in their leaves — which doesn't always happen. Watch: Yes, Bay Area, COVID cases exploded after Thanksgiving. The problem is the article leverages “science” and pull-quotes in a misleading context th… There's a bogus new health theory making the rounds — the idea that kale is bad for you. How to get your next coronavirus stimulus check, and other questions, answered. No one has established a link between thallium and the illnesses documented in the profile — nor has anyone definitively ruled out other possible causes. Get our newsletter in your inbox twice a week. Zbiral, an analytical chemist at the Central Institute for Supervising and Testing in Agriculture in Brno, explained that kale is indeed a good accumulator of thallium. Post was not sent - check your email addresses! There's a bogus new health theory making the rounds — the idea that kale is bad for you. As William Toscano, an environmental health researcher at the University of Minnesota, told me: "Causality would be difficult to show because the diseases are complex and probably have multiple causes including genetic and epigenetic involvement.". Kale is packed full of things that are good for you like protein, vitamin A, and vitamin K. But if you have an underactive thyroid, it might be a good idea not to eat too much of it. Nutritional profile. It can potentially cause stomach pain, constipation, or bloating. Support from our readers helps us rely less on advertising, and keep our resource-intensive work free for everyone who needs it. Something strange is happening with the planets right now, and TikTok is very excited. The source of the killer kale meme. Kale has around 33 calories per 100g. Help us add 2,020 founding contributors to our supporter base by the end of the year, and keep Vox free for all, by making a contribution today. That’s the main problem with this article, which in total listed 11 foods, including: 1. After a short work-up, he’d ask the patient to list his or her favorite vegetables. In an attempt to avoid diabetes, she had been eating 3 pounds of raw bok choy every day for months. There is nothing about leafy green foods that will ever be bad for you! If you buy, look for organic Kale as pesticides are used heavily during the growing process. Nutritionist says that kale is bad for your thyroid, and quinoa easily irritates the stomach Could this pan of delicious-looking kale be harming your health? However, Hubbard reached out to us following publication to say he has worked in the field of science — including in biotech and at other health companies — for nearly 40 years. Often touted for being highly nutritious, kale has joined the list of 11 other fruits and vegetables known to be “dirty,” according to an analysis by … Doctors Data also happens to be the subject of numerous lawsuits and court orders for misleading the public with test results that were used to peddle bogus dietary supplements and detox therapies. There's one problem with Hubbard's hypothesis: There's just no published, peer-reviewed studies whatsoever of a link between kale and various diseases in humans. "It suddenly hit me," he told Craftsmanship, "I thought, ‘Oh, my God!’", Low-level thallium poisoning from kale, Hubbard suspected, might be causing an array of symptoms in his patients — from chronic fatigue to "foggy thinking.". Certain compounds in the vegetable can interfere with thyroid hormone synthesis and essentially … Kale is commonly used to prevent cancer and heart disease. Nuts 4. According to Oregon State University’s Linus Pauling Institute. Maybe not, Cheat on your diet, lose more weight — seriously. Magnesium has a crucial job working with vitamin D to help your bones absorb calcium. A recent article in Mother Jones warned that excess kale consumption could lead … Karen D’Souza is a writer for the Bay Area News Group papers, covering healthy living, Bay Area culture and other lifestyle topics. But the superfood is … I’ve noticed a few opinion pieces (like this one in The New York Times) floating around out there suggesting that kale may not be as good for you as previously thought. That can’t be good. This year, support from our founding contributors has helped us create projects that millions relied on to understand a year of chaos, and to keep their families safe. He began to dig around, and found a 2006 paper by Czech researchers that concluded kale can be a "hyper-accumulator" of thallium, a toxic metal that occurs naturally in soil and can be poisonous to people. Kale is a nutrient-dense food that’s high in several vitamins, minerals, and antioxidants. Gluten-free snacks 7. According to Oregon State University’s Linus Pauling Institute, kale has long been hailed for its heart healthy and cancer-fighting properties. Hummus 2. Congress has agreed to another round of direct payments. Study shows…, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to email this to a friend (Opens in new window), Live updates: Warriors vs. Nets, Kevin Durant in season opener Tuesday, Is kale actually bad for you? To make the most of all it has to offer, chow down on 1 1/2 cups a few times a week. Instead, the Craftsmanship article describes him doing this: Whenever the clinic would send him someone with the kind of chronic problems associated with thallium, or any other complaints that were hard to pin down, Hubbard would scribble kale on a little note-card and turn it face-down on his desk. Yikes! People have LOVED writing headlines about Kale suddenly being BAD for you because it gets your attention and gets lots of traffic to their website. Get Morning Report and other email newsletters. Oxalic acid binds with the calcium in our food making it unavailable for digestion. Can employers make COVID-19 vaccination mandatory? 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