Warning: Combining This Food with Onions May Cause Pois.oning or Even Blindness

Onions are known for their powerful antioxidant properties, which help boost the immune system and reduce inflammation. Their benefits surpass those of many common vegetables.

 

 

 

Health Benefits of Onions

Onions are highly nutritious and offer several significant health advantages:

Cancer Prevention
Onions contain two key bioactive compounds: selenium and quercetin. Selenium helps strengthen the immune system and suppress the growth of cancer cells. Quercetin, a potent antioxidant, works to weaken and cut off nutrients to cancer cells, inhibiting their development.

Studies have shown that regularly eating onions can reduce the risk of stomach cancer by up to 25% and lower the mortality rate by as much as 30%.

Supports Digestion and Relieves Constipation
The sulfur compounds in onions are metabolized into hydrogen sulfide in the body, which stimulates bowel movements and supports waste elimination. Additionally, the fiber and oligosaccharides in onions help nourish beneficial gut bacteria, promoting a healthier gut and significantly easing constipation.

Lowers Blood Sugar Levels
Onions contain a compound similar to tolbutamide—a drug used to treat diabetes—that helps cells absorb glucose more efficiently. Red onions are especially effective in helping regulate blood sugar. However, onions should only be used as a dietary support and not a replacement for prescribed medications. A recommended daily amount is around 25–50 grams.

Prevents Osteoporosis
Onions are rich in phytoestrogens, a type of plant-based estrogen that helps balance hormones and slow down bone loss, thus supporting bone health and preventing osteoporosis.

Helps Lower Blood Pressure
Onion compounds can help prevent blood clots and improve blood circulation, stabilizing blood pressure and reducing the risk of cardiovascular complications. Onions are an ideal food for those with chronic conditions like hypertension, diabetes, or heart disease.

 

 

 

Foods You Should Avoid Combining with Onions

Despite their many benefits, onions can interact negatively with certain foods, which may upset the digestive system or hinder nutrient absorption. Here's what to watch out for:

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1. Onions and Kelp Should Not Be Eaten Together
Kelp is rich in iodine and calcium, while onions contain oxalic acid. When consumed together, these ingredients can form compounds that may lead to kidney stones or gallstones.

People with a history of stones or sensitive stomachs should avoid eating them together. If you’re unsure, it’s best to consult a doctor before combining these foods.

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2. Onions and Honey Should Not Be Consumed Together
Although honey is highly nutritious, consuming it with onions can trigger a chemical reaction. Some compounds in onions may react with enzymes and acids in honey, creating substances harmful to the body.

This combination can cause symptoms like nausea and vomiting, and in severe cases, may damage the eyes. To avoid adverse effects, consume these foods several hours apart. Individuals with sensitive stomachs should be especially cautious.

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Tips for Using Onions

While onions contain a lot of natural fiber, they can cause bloating or stomach discomfort in some individuals due to fermentation and gas production. If you’re sensitive, try to limit your intake or eat smaller amounts. If you can’t tolerate the sharp taste, it’s best to avoid eating them raw.

To reduce eye irritation when cutting onions, try soaking them in water beforehand or slicing them under running water to dissolve the irritating gases. Alternatively, you can use frozen onions or wear protective glasses while chopping to prevent tears.