can eating too much lettuce kill you
How can a green leafy vegetable such as lettuce and spinach cause constipation? When you eat, your body uses some of the calories you consume for energy. It contains fewer vitamins and minerals than other lettuce varieties. Eating a large meal can affect your sleep, your weight and your organs over the short and long term. Large fishes on top of the food chain, such as the prized bluefin tuna, can accumulate methyl mercury in their muscles because they consume many smaller fishes over their lives. This may take a while. Even cooking the leaves won't get rid of the acid. All rights reserved. The rabbit will suffer from diarrhea due to the excessive lactucarium. Fixing bad breath after a meal is relatively easy: Just pop a mint, use mouthwash, or better yet, floss and brush your teeth. Within the last few years, the Centers for Disease Control and Prevention (CDC) has recalled romaine lettuce on a number of occasions because it has been linked to outbreaks of E. coli (Escherichia coli) infection. Here's what happens: When your tequila shots are absorbed into your body, the alcohol gets metabolized into. All rights reserved. A high fiber diet without enough water can cause constipation. If you eat lettuce or salad and find you're gassy, it could be "due to underlying constipation that is trying to make its way 'out,'" Dr. Sonpal says. Ad Choices. Sushi lovers beware: eating too much raw tuna can increase your intake of mercury. Most cases of bursting come once we've eaten around 4 to 5 liters of food. You're overeating. It also contains small amounts of vitamin C, iron, and calcium. It also plays an important role in reproduction, thyroid function, and DNA production. So just how many Brazil nuts is too many? Terrifying sea monster 'hafgufa' described in medieval Norse manuscripts is actually a whale, The ultimate action-packed science and technology magazine bursting with exciting information about the universe, Subscribe today and save an extra 5% with checkout code 'LOVE5', Engaging articles, amazing illustrations & exclusive interviews, Issues delivered straight to your door or device. Consuming too much food that is high in fat, like pizza and cheeseburgers, may make you more susceptible to heartburn. Happy hour might have some not-so-pleasant effects on your post-bar smell. So, how many cherry pits is a lethal amount of cherry pits? Internal Medicine 38 years experience. (Grains, legumes, andnightshadeshave them in the highest concentrations; low on the lectin scale areleafy greens, squash, cauliflower, sweet potato, citrus, berries, and apples.) Increasing the amount of vitamin K in your diet can decrease the effectiveness of warfarin. The expanded stomach pushes against other organs, making you uncomfortable. It takes about 20 minutes for your brain to send a signal to the stomach to let you know that youre full. Search more ingredients for nutritional information: 2005 - 2023 WebMD LLC. Some samples of bigeye tuna or bluefin tuna, which are more common in restaurants, had mercury levels that exceeded or approached levels permissible by regulatory agencies in the U.S., Canada other nations and the World Health Organization, the study showed. Centers for Disease Control and Prevention, Niket Sonpal, MD, internist and gastroenterologist, New York City, Centers for Disease Control and Prevention: "Outbreak of E. coli Infections Linked to Romaine Lettuce", University Hospitals: "The Best and Worst Foods for Acid Reflux", Brigham and Womens Hospital: "Gas: Beat the Bloat". Luckily for apple core eaters, you'd have to really mash those seeds before the cyanide-making compounds can take effect. Symptoms can include upset stomach, hair loss, fatigue, irritability, diarrhea, brittle hair or nails, discolored teeth, nervous system issues, a metallic taste in the mouth, and a garlic-like odor in the breath.https://ods.od.nih.gov/factsheets/Selenium-Consumer/ But, do not give lettuce leaves as the only diet for your rabbit. Water intoxication occurs when a person drinks so much that the water dilutes the concentration of sodium in the blood, creating an electrolyte imbalance. However, the reality is that feeding them nothing but lettuce and carrots would kill it pretty quicklyand in a rather unpleasant fashion. Carotenodermia manifests as a yellowish tint to the skin but goes away quickly if you lower the amount of beta-carotene you consume. All lettuces fall into one of four varieties: Head lettuce gets its name from its round shape. Our patients depend on blood and platelet donations. It also contains small amounts of vitamin C, iron, and calcium. If you see an error, try reloading the page. This results in the body's inability to break down a foul-smelling compound found in cruciferous vegetables, as well as beans, eggs, and milk, Zeichner explains. Its essential that some of your exercise make your heart beat faster than it does when youre resting. It can cause an allergic reaction or alter your bowel movements. Romaine lettuce has more vitamins, but still not a whole lot of fiber, 1.2 grams. Shrimp & Avocado Summer Salad Rolls. The Lyda Hill Cancer Prevention Center provides cancer risk assessment, Consuming adequate amounts of vitamin K can also reduce your risk of bone fracture. Oops! Luckily, it would be nearly impossible for an adult to consume enough green potatoes to get sick: A 100-pound adult would have to eat a full pound of completely green potatoes before showing symptoms. If you're used to a low-fiber diet, increase your fiber intake by a few grams a day to avoid side effects. Overeating -- especially unhealthy foods -- can take its toll on your digestive system. WebMD does not provide medical advice, diagnosis or treatment. VOCs can also show up in your stool and give you some smelly gas, according to Tamara Duker Freuman, a registered dietician in New York. Though the origin isn't known, only very few people have been affected. This discomfort can take the form of feeling tired, sluggish or drowsy. But there is such thing as drinking too much water. If you are ready to make an appointment, select a button on the right. According toFood Fix founder Heather Bauer, RD, CND, all those raw veggies can seriously stress out your GI tract. A cup of chopped romaine lettuce contains:. Romaine lettuce contains 82% of the daily value of vitamin A. *Percent Daily Values are based on a 2,000 calorie diet. Consult a gastroenterology specialist or your primary doctor. Lettuce is a source of vitamin A, which plays a role in eye health. In the mouth, capsaicin bypasses your taste buds and binds to pain receptors on the tongue called TRPV1. Because it's low in calories, there's not a big problem with eating too much lettuce. Your clothes also may feel tight, too. Each of these eight otherwise delicious and healthy fruits and vegetables have naturally occurring toxins that, while safe to ingest every so often (the body is pretty resilient that way), can definitely kill you depending on how, and how much of it you decide to eat. The compound is particularly concentrated in potatoes that have started to turn green, and especially when they've begun to sprout. The good thing is that aside from looking kind of unappetizing and tasting slightly bitter, you'd have to eat an excessive amount of green potatoes to actually get solanine poisoning. Apple seeds contain roughly 700 milligrams of hydrogen cyanide per kilogram, meaning that you'd need about 100 grams of the pips to take out a 150-pound person. If you want to avoid attracting birds to the bank, make sure you throw food in the water. While getting more fiber by increasing lettuce intake is healthy, you may experience digestive problems if you overindulge. Get expert articles delivered straight to your inbox! Be more careful with slightly higher-carb vegetables like bell peppers (especially red and yellow ones), brussels sprouts and green beans to stay under 20 grams of carbs a day. Red leaf lettuce contains 42% of the daily value of vitamin A. As if the decade weren't bad enough, eating raw veggies was a gamble. Eating a Lot of Lettuce Quickly It's also known as the main ingredient in Caesar salad. The humble salad is the bland but dependable nutritious lunch choice that will make you . If you're looking for simple ways to cut down on raw foods while still eating healthy, check out these 8 lettuce-free salad recipes. Noticeable side effects can occur if you consume more than 600 to 900 mg of caffeine a day, according to the Mayo Clinic, and those include: insomnia, restlessness, nausea, irregular heartbeat,. There are times, such as Super Bowl parties or holiday feasts, when people jokingly complain that they have "overdosed" on food. You're constipated. It's hard to overeat spinach, zucchini, lettuce, cucumbers, cabbage, asparagus and kale on a keto diet. A cup of chopped butterhead lettuce contains:. Butterhead lettuce contains 36% of the daily value of vitamin A. Lettuce is also low in carbohydrates, which are important sources of energy. Can You Be Intolerant To Lettuce. According to the FDA, there is anywhere from 2.6 to 7.2 micrograms of inorganic (vs. organic, which is much easier for your body to metabolize) arsenic in one serving of rice. They found that eating 10 portions per day was associated with a 24% reduced risk of heart disease, a 33% reduced risk of stroke, a 28% reduced risk of cardiovascular disease, and a 13% reduced risk of total cancer. A large salad will leave you full, but it takes a significant amount of lettuce, eaten over time, to offer any risk to the average person. As a result, eating a lot of lettuce provides significantly more vitamin A than you need. "Some studies show that activated charcoal and chlorophyll may reduce odor, but high-quality evidence is sparse," says Kumar. A study by the University of New Mexico shows that a 100-pound adult would have to eat a full pound of completely green potatoes before showing symptoms, which seems pretty difficult to do by accident? Although she was resuscitated by ventricular fibrillations a few times, she stopped responding to medication three days later. Yes, lettuce makes you poop, and that's because lettuce is packed with fiber and water that makes you poop. Eat sensibly throughout the day. Leaf lettuces don't form a head, and are instead connected to a stem. We will notify you via Keep a food journal to help you notice any positive or negative habits. However, lettuce isn't enough on its own. The rest are stored as fat. That's plenty of reason to eat a salad every day, if you ask us. Cancer Center, February 2018 : What happens when you overeat. Eat slowly and put your fork down between bites. Eating rhubarb leaves can cause a burning sensation in the mouth and throat, and lead to vomiting, nausea, convulsions, and even death. As a result, you might experience headaches, increased thirst, fatigue, or lethargy, Derocha said. Additionally, individuals undergoing cancer treatment may need to avoid eating cabbage, as this. I found ideas like "lettuce soup". So just how does mercury contaminate fish? You're thinking it's "just a salad" and "salad is healthy," so you pile it on and on, Dr. Sonpal says. Couple the low amount of fiber with the fact that a lot of lettuces are high in water content and this can increase your chances of loose stools. "I hear over and over again from clients that they start eating salads to be healthier and end up feeling bloated," Bauer says. Feeding too much lettuce can be harmful. Verification is completed within 3 business days. Reality: eating too much shop-bought rabbit food can cause weight gain and prevent your rabbit from eating enough hay and/or grass. Read more: Is It Unhealthy to Eat Old Lettuce? National Library of Medicines list Hay is the best food you can feed as it helps the rabbit . Purine, when processed by the body, turns into a chemical called uric acid. Log in to our secure, personalized website to manage your care (formerly myMDAnderson). If we assume that one serving is about 1/4 cup, that's almost 1,800 cups of rice! NASA warns of 3 skyscraper-sized asteroids headed toward Earth this week. Read our Privacy Policy and Terms and Conditions. So, what is causing the pain? A typical, 8-ounce cup of medium roast coffee has about 200 mg of caffeine, a 1-ounce shot of espresso has about 75 mg, an 8 ounce cup of black tea can have 120 mg of caffeine. If it leaks into the water or is consumed by your goldfish, it is a health risk. The molecules then make their way into clouds, where they stay until they return to the ground (and bodies of water, where fish live) when it rains.https://www.edf.org/oceans/mercury-alert-canned-tuna-safe-eat Consume too much and you may be in for unpleasant symptoms such as kidney stones, abdominal pain, low blood pressure, tremors or convulsions, vomiting, and weak pulse.http://www.nytimes.com/health/guides/poison/oxalic-acid/overview.html If your rabbit isn't eating enough hay, it'll have to have its teeth filed down by a veterinarian. Rabbits and dehydration don't go hand in hand. That's nearly a quarter pound of apple seeds, sans actual apple flesh. Although star fruits (also known as carambolas) are not as common in North America, it is widely available in Southeast Asia and South America as fresh fruits, in salads and pickled juice. You don't have to make anything fancy with a lettuce wrap, but treat it like you would a tortilla, adding anything you'd like. Sodium: 189 mg (8% of daily value). He was short of breath, his temperature spiked to 103.0 degrees Fahrenheit (39.4 Celsius), and he subsequently became combative and confused, requiring sedation and intubation for airway control. If you only consider calories, it would be a challenge to get too much lettuce. Here's How to Make It Easier to Digest, Having Issues Digesting Leafy Greens? 6. ", If this is the case, stools will be hard initially and then may become softer, he says. So I searched the internet for great ways to use up lots of lettuce. She says some people just aren't able to digest foods with lectins well. It's difficult to pin down the mercury levels in pieces of sushi, because they can vary depending on the size and species of fish. We have received your CertCapture request form for . Depending on the information that you enter, you may be able to add your tax exemption certificate immediately and Is this an emergency? Some research shows it would take about 25 grams of oxalic acid to cause death in a 145-pound person, which would equate to about 7.3 pounds of spinach.http://www.incrediblesmoothies.com/green-smoothies/oxalates-spinach-oxalic-acid-health-concern/http://www.realfoodforlife.com/oxalic-acid-controversy/. Overconsumption can lead to water intoxication, a condition that occurs when extreme water intake dilutes the sodium in the blood, which can then lead to impaired brain function and even death. Future US, Inc. Full 7th Floor, 130 West 42nd Street, Volume 8. In this small study, researchers put a group of 17 men on meat or no-meat diets for two weeks and collected their underarm sweat. So should you remove these foods from your diet altogether? Kombucha is a sugary, black tea fermented by a flat, pancake-like symbiotic culture of bacteria and yeasts called the "Kombucha mushroom." Change the lives of cancer patients by giving your time and talent. Iceburg Lettuce contains a lot of water & no vitamin C, which is essential for piggie health.. "I'd start with between a cup-and-a-half to two cups of salad," she says. With Avalara CertCapture, you can add your tax exemption certificates to your Fix.com account to purchase tax-free! They have been divided into the following four categories: Vegetables Fruits Nuts Grains (occasionally) Healthy Parakeet Treats by Category 1. Lettuce CAN KILL a Guinea Pig! To get a healthy dose of fiber you want to eat a nice balanced salad. Certain Health Conditions Could Be to Blame. Too much of this compound can cause vomiting, diarrhea, and cardiac arrest. What that actually means, is that it can cause drowsiness Lactucarium - Wikipedia As the following excerpt provides; Eating too much food requires your organs to work harder. Once the lettuce has done its job, the competitive eater is ready to fill his newly enlarged stomach for the sport. Keep consumption to no more than three to five cans per week, and you should be safe. "Ironically, this does not mean you should stop eating salads," he adds. Cooking advice that works. In case you don't know, lactucarium is a toxic . Assuming that one apple seed weighs about half a gram, that means you'd have to eat your way through 200 pips. Depending on how they're handled, potatoes can produce solanine, a natural pesticide that's toxic to humans. Bauer explains that some people can eat big salads and have no digestive problems whatsoever, but if you do have some stomach issueswhich is especially common if you are just starting to. But you should add fiber gradually. The researchers theorized that fatty acids in meat may find their way into sweat, making it stinkier. The highest levels are found in brown rice, the lowest in instant rice. Get your fix of expert articles delivered straight to your inbox! That is the WRONG ANSWER!!! The U.N. health agency says the world is eating too much sugar and people should slash their intake to just six to 12 teaspoons per day an amount that could be exceeded with a single can of soda. To remove it, the beans have to be boiled for at least 10 minutes before consuming. In general, the recommended amount of lettuce for an adult rabbit is between 20-40 grams per day. While those extra helpings of turkey or taco dip might, at worst, give you a bad case of indigestion, there are foods out there that can seriously harm you if you eat too much of them. You can eat all parts of the watermelon including the rind and seeds, according to health website Healthline (opens in new tab). Greasy meals delay stomach emptying and may cause bloating, nausea, and stomach pain. And definitely keep all parts of the tomato plant away from pets; tomatine has a much stronger impact on dogs and can lead to a host of dangerous side effects, The health benefits of lettuce come primarily from its vitamin content. If you have problems digesting lettuce or have a condition that you think eating lettuce may affect, consult your doctor. 4.3/5 - (66 votes) Four cups of broccoli sprouts a day may exceed the safe dose of the cruciferous phytonutrient sulforaphane. Alcohol Happy hour might have some not-so-pleasant effects on your post-bar smell. Should you need to upload, just click the Import your copy of this document link in the form. Lettuce is a leafy vegetable, famous for giving salads their base. In this case, the negative effects from eating spinach are due to the intake of large amounts of oxalic acid (found at high levels in spinach), which may build up in the body over time. Veggies Vegetables can be a very important part of a parakeet's diet. As a result, eating lettuce hydrates the body. In a 2006 case report published in the Journal of Nephrology, a patient with underlying chronic kidney disease developed a bad reaction after eating star fruit, which led to rapid deterioration in kidney function and permanent renal injury. Eating too much of any food can cause gastrointestinal stress that can trigger diarrhea and other digestive issues. NOT recommended: any vegetable in the cabbage family (it won't kill them, but could cause bloat if feeding continuously), or beet greens (too high in oxalates) 4.1 Vegetables that guinea pigs can eat everyday (Credit: sk8geek / Flickr, MissMessie / Flickr, kudumomo / Flickr), Rice (especially rice grown in Texas) contains arsenic, a toxin that can cause bad things like vomiting, abdominal pain, and vertigo when consumed in large quantities. If that wasn't enough, eating the leaves can cause burning sensations in the mouth and throat, nausea, vomiting, convulsions, and even death. Your California Privacy Rights. The second case involved a 55-year-old and was reported in the journal Forensic Science International in 2001. Fail to remove the toxin before eating and symptoms could include severe nausea and vomiting.http://www.huffingtonpost.com/2013/10/04/foods-that-could-kill-you_n_4039765.html, Believe it or not, there is such thing as consuming too much water. Eating too much shrimp can cause gout to flare up. Resin: 1.5 grams of resin, as often as needed. If, despite this, you still want to try eating rhubarb leaves, you'll be glad to know that they're not severely toxic. 'Building blocks of life' recovered from asteroid Ryugu are older than the solar system itself, Ancient Roman 'spike defenses' made famous by Julius Caesar found in Germany, Unknown lineage of ice age Europeans discovered in genetic study, Watch footage of 1,000 baleen whales in record-breaking feeding frenzy in Antarctica, 'Runaway' black hole the size of 20 million suns found speeding through space with a trail of newborn stars behind it. including digestive and nervous system issues.http://www.fitday.com/fitness-articles/nutrition/healthy-eating/what-is-tomatine.html, Nutmeg contains a compound called myristicin, which can lead to myristicin poisoning in large doses. Chowing down on too many Brazil nuts can cause selenosis, or an overdose of the mineral selenium.http://healthyeating.sfgate.com/brazil-nuts-health-digestion-4557.html Restaurant recommendations you trust. This increases your risk for cancer and other chronic health problems. Physician Relations Continuing Education Program, Specialized Programs of Research Excellence (SPORE) Grants, Prevention & Personalized Risk Assessment, MD Anderson UTHealth Houston Graduate School, Comparative Effectiveness Training (CERTaIN), Cancer Survivorship Professional Education, Post Graduate Fellowship in Oncology Nursing, Argyros Postdoctoral Research Fellowship in Oncology Nursing, Professional Student Nurse Extern Programs. Here is the nutritional information . It can be purchased at health food stores or made at home with the starter "mushroom," the beverage is reputed to have immunity-boosting and beneficial effects, but there is very little scientific evidence of these available in current literature. The Fix App makes it easy to manage all your stuff in one place. Leafy vegetables (called leafy greens on this page), such as lettuce, spinach, cabbage, kale, and bok choy, provide nutrients that help protect you from heart disease, stroke, and some cancers. According to a case published by Swedish physicians in a 2010 issue of Acta Anaesthesiologica Scandinavica, a 21-year-old woman went into cardiac arrest shortly after consuming about 10,000 mg of caffeine. There are multiple types of lettuce, and they all share the scientific name Lactuca sativa. Read more stories on dealing with body odor: Find out how B.O. Broccoli, brussels sprouts, and the rest of the cruciferous vegetable family can be odor offenders on two fronts. United States Department of Agriculture: Nutrient Data Laboratory. New York, For one, eating too much can cause a spike in your blood sugar levels because your body begins to overcompensate and produce more insulin than usual to keep blood sugar levels at a healthy range. There were dozens of outbreaks of E. coli linked to leafy greens in the United States between 2009 and 2017, according to the Food and Drug Administration and the Centers for Disease Control and Prevention. In general, yes. Lettuce is supposed to make you go, not stop you up. After some quick Googling, we found that hydrogen cyanide is lethal at about 1.52 milligrams per kilogram, meaning that it takes little more than 0.1 grams (a dime weighs about one gram) of the toxin to dispatch a 150-pound human. Dehydration is dangerous as in these conditions our organs get deprived of the water, and this interferes with their functionality. This can lead to excess blood carotene which can discolor the skin. Yes indeed you can. Red Kidney Beans Iceberg Lettuce This may come as a shock, but you should avoid feeding your rabbit light-colored lettuce, including iceberg, as it can contain lactucarium, a chemical that can be harmful to your bunny's health if ingested. Tuna contains more mercury than many other fish, and excessive mercury can cause some alarming side effects, including vision, hearing and speech problems, lack of coordination, and muscle weakness.http://www.womenshealthmag.com/food/dangerous-healthy-foods I thought it was the iron, but maybe not. To break down food, the stomach produces hydrochloric acid. If you have items in your cart, they will be saved for your return. Niket Sonpal, MD, an internist and gastroenterologist in New York City, offers some reasons your lettuce/salad could be causing you gastric upset: It may be contaminated. Because mercury can cause severe neurological problems, pregnant women and young children are advised by the Food and Drug Administration and the Environmental Protection Agency to avoid eating too much tuna. Eating too much spinach can prevent proper calcium absorption. The amounts of oxalates can be increased in our bodies by the amount of foods we . Hundreds of people fell sick E. coli causes severe stomach cramps, diarrhea (often bloody), and vomiting. But believe it or not, it is possible to have too much of a good thing when it comes to some healthy staples. This is because shrimp - and other seafood - are naturally high in something called purine. Your clothes also may feel tight, too. One nutrient not found in spinach in large amounts is calcium. If there's one food that screams "healthy," it has to be salad. Rabbits' teeth grow constantly. In a recent report published in the Journal of Intensive Care Medicine by physicians at Cedars-Sinai Medical Center in Los Angeles, a 22-year-old male newly diagnosed with HIV became ill within twelve hours of consuming the tea. With Avalara CertCapture, you can add your tax exemption certificates to your Fix.com account to purchase tax-free! However, many people find that they have stomach cramps and diarrhea after eating salad, and sometimes it's pretty severe. Like many leafy green vegetables, lettuce is a good source of vitamin K. Getting extra vitamin K isn't a problem for most people, because its only toxic when large doses come from supplements, according to the Linus Pauling Institute. Thankfully, it is nearly impossible to overdose on most of these foods, since each serving contains so little of the toxins. Even cooking the leaves won't get rid of the acid.. Thankfully, they'll all miss. I'm impressed." Spicy foods such as garlic and onions can give you what Freuman calls "garlic sweat" due to the high concentration of VOCs they contain. While it's true that the cooking process does dim some of the nutrient density, Bauer says the difference isn't great enough to lose sleep over. Don't freak out if you accidentally swallow a cherry pitthey're rarely poisonous when eaten wholebut whatever you do, don't eat a broken pit. retailers. Although carotenemia occurs mostly in infants when they are fed too much pureed carrot baby food, it can occur in adults as well. "Slowly remove each component of the salad to narrow down what it is that is truly getting to the crux of matter," Dr. Sonpal says. She taught families to plan and prepare special diets, worked as a therapeutic support specialist, and now writes about her favorite topics nutrition, food, families and parenting for hospitals and trade magazines. Silverbeet Though there are different types of lettuce, their basic composition is the same and if consumed in excess, they can exacerbate certain health conditions. Dont give up the hearty greens and red kidney beans quite yet! If it's your sweat that stinks and you refuse to abandon the garlic press, a soluble fiber supplement may help, says Freuman: "They bind to VOCs in the gut and may reduce their odor-causing potential," she says. This type of imbalanced diet will not support your health. Both experts agree that the key to keeping this healthy habit an enjoyable part of your routineand not a pain point for your bodyis to avoid overwhelming your gut. First, industrial sources such as power plants release mercury into the environment. Wraps and spring rolls just wouldn't be the same without some lettuce inside. Unpleasant side effects usually appear three to eight hours after ingestion, and can include anxiety, fear, and a feeling of impending doom. However, those with preexisting health problems or those who drink excessive quantities of the tea should beware. I feel much better and way less bloated now. Check to see if there are recalls and avoid any lettuce on the banned list. Carotenodermia manifests as a yellowish tint to the skin but goes away quickly if you lower the amount of beta-carotene you consume. If that wasn't enough, eating the leaves can cause burning sensations in the mouth and throat, nausea, vomiting, convulsions, and even death. NOT recommended: iceberg (high in nitrates and low in nutrients, can cause diarrhea if given in excess). The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Cond Nast. Eating too much fiber can contribute to symptoms of diarrhea or block your intestines. Given that it would take about 50 grams of arsenic to kill the average 150-pound adult, you'd have to eat nearly 7 million servings of ricein one sittingto achieve death by rice. Because lettuce has beta-carotene, it is possible to consume so much of it that you acquire carotenodermia. Introduce them gradually, as large amounts of lettuce can cause tummy upsets for rabbits not used to it. She rustled across the paper bag, and awakened Benjamin Bunny. Oh, I discovered a few years ago that spinach constipates me too. You could eat a lot of lettuce and still not consume too much fiber, because 1 cup only has about 1 gram or less, but dont forget thats in addition to the fiber in the rest of your diet -- and that other ingredients in your salad contain fiber too.Women should aim for 25 grams of fiber daily, while men need 38 grams.