This article ("What Happens if You Eat Raw Onions Every Day"), was published originally on the FoodPrevent.com website. The article explains how eating a raw onion a day can help with certain health conditions (cardiovascular health, type 2 Diabetes, lower cancer risks, etc.). Please see below for more details.
What Happens if You Eat Raw Onions Every Day
Raw onions are certainly pungent, and can even cause painful tears when they’re cut, but they are incredibly healthy to eat. And for all the hype about “superfoods” like pomegranates, green tea, and acai berries, onions actually offer way superior benefits. In fact, researchers speculate that the humble onion might be behind the so-called French Paradox, which questions why relatively few French people have heart disease despite a diet high in saturated fat.
Onion is so versatile that it is used as flavoring in thousands of dishes, features prominently in thousands more, and can even be a standalone snack (onion rings, anyone?). We are going to dig into the incredible health benefits of eating onions and explain what happens if you eat them every day. Spoiler alert: we think you should, just maybe not on a date.
Better cardiovascular health:
Onions are highly nutritious, with a healthy dose of vitamin C, fiber, and folic acid, as well as calcium and iron. But what really makes onions special is the antioxidant quercetin, which works to slow the progress of oxidative damage to our cells and tissue.
When it comes to heart health, the quercetin in onions helps to maintain a healthy blood pressure and keep the arteries elastic and soft. It also appears to lower the level of LDL (bad) cholesterol in people at risk for cardiovascular disorders. Those benefits together go a long way toward maintaining optimal heart health.
Lower cancer risk:
Regularly consuming onions is thought to detoxify carcinogens that we get in our diets. The organosulfur compounds more specifically stop potentially cancer-causing agents from metabolizing in a dangerous way. One study found that combining onions with turmeric creates a synergistic effect that reduces the ability of cancer to take hold in the intestines, greatly reducing the risk for colon cancer.
Even moderate consumption of onions provides some benefit, but researchers suggest that the more you eat, the better. Luckily, garlic seems to provide similar protection, so you can include both in your meals rather than eat an enormous amount of onion alone.
Lesser food poisoning risk:
There’s a rumor going around that onions are dangerous to cut and then store because they are extremely prone to bacterial growth. The truth is actually the opposite – onions have certain compounds that are antibacterial. In fact, the juice released when an onion is cut can kill or seriously slow the growth of several types of microorganisms known to cause food poisoning.
Therefore, eating onions with your meals means that you are less likely to get sick, not more. And don’t worry about storing leftover onions. They are completely safe for about seven days when properly refrigerated.
Enhanced immune function:
Quercetin is also great for blocking certain inflammatory compounds. But when it comes to immune function, the quercetin in onions gets a boost from the selenium content. Selenium is a trace mineral found in greater concentration in onions than in other foods; it is known to reduce inflammation and stimulate immune function while also preventing excessive immune response.
Cells that are deficient in selenium age faster and reproduce inefficiently. Inflammation is an immune response that attempts to isolate injured or sick areas of the body from healthy tissue, but too much inflammation causes a host of painful and dangerous conditions. Onions appear to help keep immune function in balance.
Allergy relief:
Because quercetin blocks certain allergy-causing and inflammatory compounds, it can also be extremely helpful for seasonal allergy sufferers. Rather than run straight for an antihistamine tablet, try eating some onion to stop the production and release of histamines.
It’s the histamines that cause the itchy eyes, scratchy throat, and runny nose associated with seasonal allergies. If you really can’t stand the taste of onions, there are quercetin supplements available that are certainly worth a try.
Lower diabetes risk:
Scientists have known for a long time that eating onions can increase the amount of available insulin in your system after a meal. Insulin is necessary to process the sugar in food, and the allyl propyl disulphide in an onion takes up some of the available spots in the liver where insulin becomes inactivated. Therefore, more insulin remains free to manage blood sugar levels.
Type 2 diabetes occurs when insulin becomes ineffective at processing glucose, usually because there is too much sugar, too often. Eating onions regularly ensures that there is always enough available insulin to do the job without becoming overburdened. We still recommend watching your sugar intake, though.
Reduced risk of blood clots:
We need our blood to clot around the site of an injury, but clots that form within veins or arteries block blood flow and can be deadly. Onions contain a compound called rutin that has been found to ward off the development of clots in thrombotic mice. (Thrombus is the technical term for clot).
Interestingly, clots that form in arteries are rich in platelets, while those that form in veins are high in fibrin. Rutin appears to be able to attack both types of clot. More human studies are necessary, but rutin may one day soon be used to create inexpensive medicine for blood clots. In the meantime, keep eating those onions.
Improved sleep and mood:
Homocysteine is an amino acid made by the body as it breaks down proteins. Too much of it hinders production of the hormones serotonin, dopamine, and norepinephrine, the trio responsible for mood stabilization, good feelings, sleep, and appetite. Onions are particularly rich in folate, which prevents homocysteine from building up in excess.
Getting enough folate is therefore crucial to reducing the incidence and severity of depression. A deficiency in folate can also cause fatigue and growth problems, which are further exacerbated by poor sleep. On top of all the other benefits, an onion a day may just keep you feeling awesome both physically and mentally.
If you don’t like your onions raw – and we get it, the odor tends to stick around – you can still receive the health benefits we discussed by eating them cooked. The benefits are reduced by the application of heat, but not entirely eradicated. And if you swear you don’t like onions at all, consider that they are present in almost every savory dish you’ve ever had. Perhaps it is the crunch more than the flavor that bothers you. Try grating some onion into your home cooked meals to see if that makes a difference. One way or another, eating more onion is a smart choice for your health.
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