Iceberg lettuce contains carbohydrates that cause gas, according to Mayo Clinic, and this may cause stomach discomfort, such as cramps. Salad greens also are frequently contaminated with harmful pathogens due to poor handling and lack of washing, according to NBCNews.com.Know More
The Center for Science in the Public Interest lists leafy greens as the riskiest of all FDA-regulated foods due to the numerous outbreaks discovered in relation to salad greens, notes NBCNews.com. Leafy greens often carry pathogens, which are ingested if the greens are not prepared in a proper manner. Nearly a quarter of the instances of foodborne illness occur when people consume iceberg, romaine, leaf, butter and baby leaf lettuce; spinach, cabbage; chard; arugula; endive; kale and spring mix. Norovirus is the pathogen most frequently found on leafy greens, but salmonella is another culprit. Leafy greens can become contaminated during processing and production or through improper handling.
Stomach discomfort may also be due to ingesting the carbohydrates contained in the lettuce. Mayo Clinic lists lettuce as a gas-producing food and recommends avoiding or limiting the amount of gas-producing foods to keep bloating to a minimum. Consumption of milk and milk products, onions, whole grain foods, fruits, carbonated drinks can also cause gas that leads to gas and bloating.Learn more about Nutritional Amounts & Limits
Diseases and disorders caused by riboflavin, or vitamin B2, deficiency include glossitis, conjunctivitis, dermatitis and anemia, according to The Merck Manual for Health Care Professionals. Symptoms of this malady are sore throat, lesions of the lips and mucous in the mouth. Redness of the skin also develops when riboflavin deficiency occurs. Swelling of the eye and keratitis occur in rare cases.Full Answer >
It's been proven that cutting salt intake can actually increase a person's blood cholesterol. A 2011 study in the American Journal of Hypertension found that reducing dietary sodium may contribute to high cholesterol, triglycerides and other negative health effects. Sodium is where most Americans get their salt.Full Answer >
Foods that may be eaten on a bland diet include low-fat dairy products, tofu, eggs and creamy peanut butter, states MedlinePlus. Additionally, foods such as pasta, bread and crackers that are made with refined white flour, vegetables that are cooked, canned or frozen, and lean tender meats are acceptable.Full Answer >
Too much vitamin C, a water-soluble vitamin, is not usually harmful; however, large doses of supplements containing it sometimes lead to gastric upset, headaches and insomnia, according to Mayo Clinic. The recommended daily reference intake for vitamin C is 65 to 90 milligrams, but the upper limit is 2,000 milligrams.Full Answer >