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6 Everyday Foods That Can Be Toxic, and 3 That Heal
Sprouted Potatoes – When Nature’s Defense Turns Dangerous

Green and sprouted potatoes contain solanine, a toxic compound that is very dangerous even in small amounts. Picture this: you reach into your pantry and find those potatoes you bought last week have started sprouting little eyes. Most people think, “I’ll just cut off the sprouts and cook them anyway.” Big mistake. Research shows that doses of solanine ranging from 2-5 mg per kg of body weight can cause toxic symptoms, while doses of 6 mg per kg and above can lead to fatal outcomes. The scary part? Solanine poisoning can cause vomiting, dysentery, nervous disorders, drastically dropping blood pressure, high pulse rate, severe fever, headache, confusion and even death. You’re better off tossing potatoes that have turned green or grown sprouts, as eating them puts you at risk for toxicity from solanine and chaconine.
Raw Deli Meat – The Hidden Bacterial Playground

At the top of the list of outbreaks in 2024 is a deadly Listeria outbreak caused by deli meat made by Boar’s Head, with 61 confirmed patients across 19 states and 10 deaths. Think your favorite turkey sandwich is harmless? Think again. Bacteria, especially listeria, are often found in processing plants and on slicers and other equipment at deli counters, and the meat is handled frequently while listeria can survive and grow in cold temperatures. The numbers are truly alarming: there was a 41 percent increase in food-related recalls from Salmonella, Listeria and E. coli compared to the previous year, with hospitalizations doubling from 230 in 2023 to 487 in 2024. Most alarmingly, the number of deaths also doubled from eight in 2023 to 19 in 2024.
Raw Milk Products – A Gamble With Your Health

Raw milk can be a source of foodborne illness, and while good practices on farms can reduce contamination, they cannot guarantee safety from harmful germs. It’s like playing Russian roulette with bacteria. As of February 2024, at least 165 people were sickened with Salmonella infections tied to products from Raw Farm LLC, making it the largest reported Salmonella outbreak linked to raw milk in the U.S. in the past decade. In 2024, unpasteurized milk products from Raw Farms were linked to two separate outbreaks – one for salmonella in milk and cream, and the other for E. coli in raw cheddar cheese. Pasteurization – heating milk to 161°F – kills bacteria and the bird flu virus that has been found in raw milk. The process exists for a reason, folks.
Fresh Leafy Greens – Nature’s Contamination Magnets

While washing can reduce the risk of harmful bacteria like E. coli, there is still a risk that pathogens could exist in produce that is not rinsed, or which has been washed in a chemical food-grade sanitizer solution. You may notice a pattern with a lot of these risky foods and that’s contamination from water used to clean fresh produce or the water that’s used in the growing fields. Like other vegetables that have made people sick over the years, cucumbers are sometimes contaminated by bacteria from animal waste in the soil or irrigation water, often from runoff from nearby livestock. There were two active U.S. Federal Drug Administration investigations as of February 2025, including one traced to romaine lettuce that caused 89 illnesses from E. coli. It’s a stark reminder that even the healthiest foods can harbor deadly surprises.
Rhubarb Leaves – The Backyard’s Bitter Secret

Rhubarb leaves contain high amounts of oxalic acid, which can cause health problems when eaten in higher amounts, including symptoms such as mild gastrointestinal symptoms, as well as more serious problems like kidney stones and kidney failure. While we happily munch on rhubarb stalks in our pies, the leaves tell a different story. Humans have been poisoned after ingesting the leaves, a particular problem during World War I when the leaves were mistakenly recommended as a food source in Britain. A person would have to eat between 5.7-11.7 pounds of rhubarb leaves for a potentially lethal dose of oxalate, depending on the concentration. Serious poisonings can result in kidney failure, and deaths have been reported, but are rare. Still, why take the risk when those tart stalks are the real treasure?
Contaminated Eggs – The Breakfast Betrayal

Five instances of Salmonella were found in cucumbers, eggs, fresh basil and charcuterie meats during the 13 major outbreaks in 2024. Your morning scramble could be scrambling more than just your taste buds. Eggs, deli meat, and onions are just a few of the staples that have been making millions sick. Bacteria in milk can come from the animal itself or be introduced during milking and processing. The same principle applies to eggs – contamination can happen before they even reach your kitchen. Despite fears surrounding egg consumption and high cholesterol, research indicates no measurable increase in heart disease or diabetes risk from eating up to 6-12 eggs per week, and eating eggs could actually increase “good” HDL cholesterol in some people. The key? Proper handling and cooking.
Blueberries – Nature’s Antioxidant Powerhouses

Berries are high in fiber, naturally sweet, and their rich colors mean they are high in antioxidants and disease-fighting nutrients. Here’s where the story takes a wonderful turn. When consumed frequently, berries boast a wide range of benefits for physical and mental health, such as improving heart health and relieving anxiety. Eating more mushrooms may be associated with a lower risk of cancer, particularly breast cancer, and mushrooms are rich in antioxidants, including a particularly powerful one called ergothioneine, which has been studied for its potential to help protect against disease. Think of blueberries as tiny blue shields protecting your cells from damage. A daily apple delivers a double dose of heart disease protection: fiber sweeps out cholesterol, and polyphenols shield remaining cholesterol from free-radical assaults. But blueberries? They’re like apples’ superhero cousins, packed with even more protective compounds.
Fatty Fish – Swimming in Omega-3 Goodness

Frequently consuming fatty, oily fish like salmon can boost mental health, improve sleep and lower risk of heart disease, as salmon is an excellent source of protein, selenium, phosphorus, B vitamins and omega-3 fatty acids. Salmon contains omega-3 fatty acids that make your blood less likely to form clots that may cause heart attacks, and they help decrease triglyceride levels, decrease the growth of artery-clogging plaques and slightly lower blood pressure. It’s like having a maintenance crew for your cardiovascular system. Omega-3 fatty acids are also beneficial for mental health, with a six-month study finding that men who ate Atlantic salmon three times per week reported lower symptoms of depression and anxiety compared to men who ate chicken, pork and beef. These little fish are packed with heart-healthy omega-3s, skeleton-supporting vitamin D, calcium and phosphorus, and 23 grams of protein per serving to help keep you satisfied and energized.
Dark Leafy Greens – The Green Medicine Cabinet

Dark, leafy greens like spinach and kale are packed with vitamins and minerals such as calcium, fiber, iron, magnesium and B vitamins, and are also an excellent source of folate, a vitamin essential to healthy cell growth. The dark greens supply a significant amount of folate, a B vitamin that promotes heart health and helps prevent certain birth defects, and folate is also necessary for DNA duplication and repair which protects against the development of cancer. Dark, leafy greens are a good source of vitamin A, vitamin C, and calcium, as well as several phytochemicals that have a positive effect on your health. Watercress is delicate with a slightly spicy bite and is a powerhouse green that’s loaded with vitamins C, A and K – making it a superfood for boosting immunity and promoting strong bones and healthy skin. Think of these greens as edible multivitamins that actually taste good when prepared right.
The irony is striking, isn’t it? Some of our most beloved comfort foods can turn against us when we least expect it, while the foods we sometimes avoid – those bitter greens, that expensive salmon – are actually working overtime to keep us healthy. Remember, a healthy diet is key to a strong immune system, so eat plenty of fruits, vegetables, and whole grains, stay hydrated, and get enough sleep. The next time you’re grocery shopping, maybe give those sprouted potatoes a hard pass and grab some fresh blueberries instead. What would you have guessed about that breakfast you had this morning?