These 3 Vegetables May Increase Cancer Risk If Eaten Incorrectly — Experts Warn People Not To Ignore It

Vegetables are often considered one of the healthiest foods for the body. However, experts say that some vegetables may become potentially harmful if consumed improperly, excessively, or prepared under certain conditions.

Recently, several health discussions online drew attention after mentioning three vegetables that may be associated with increased cancer risks under specific circumstances.

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The first is:

bracken fern (Pteridium aquilinum).

According to researchers, bracken fern contains a compound called ptaquiloside, which the International Agency for Research on Cancer (IARC) under the World Health Organization has classified as a possible carcinogen to humans.

Studies suggest long-term exposure may be linked to:

  • stomach cancer,
  • throat cancer,
  • and urinary tract cancers.

People may be exposed either by directly eating the fern or through animal products from livestock that consumed it. Although boiling and salt treatment may reduce some harmful compounds, specialists still recommend limiting consumption.

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Another plant mentioned is:

wild perilla.

This wild herb is commonly found growing naturally in rocky or rural areas and is known for its strong aroma and nutritional value.

While experts acknowledge that traditional wild vegetables may contain beneficial nutrients, they also warn that consuming excessive amounts of certain wild plants over long periods may potentially create negative effects on the body.

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The third vegetable discussed is:

zucchini.

Doctors clarify that zucchini itself is not considered a cancer-causing food. However, researchers say cooking zucchini at extremely high temperatures — especially deep frying or burning — may produce acrylamide, a chemical compound associated with increased cancer risk in some studies.

Experiments found that zucchini heated at very high temperatures released relatively high levels of acrylamide compared with many other vegetables.

Despite these warnings, nutrition experts emphasize that:

vegetables themselves are not the true enemy.

In fact, many vegetables are strongly associated with cancer prevention when eaten as part of a balanced diet.

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For example, eggplant has attracted scientific interest because it contains:

  • vitamin P,
  • antioxidants,
  • and natural alkaloids

that may help support cardiovascular health and potentially reduce certain cancer risks.

Sweet potatoes are also widely praised by nutritionists. Modern research suggests they contain compounds and fiber that may help:

  • support digestion,
  • reduce constipation,
  • and lower the risk of colorectal diseases.

Meanwhile, kale is considered one of the most powerful cruciferous vegetables because it is rich in:

glucosinolates,

natural compounds often associated with anti-cancer properties.

Experts ultimately advise people not to panic over viral internet claims. Instead, they recommend:

  • eating a balanced variety of vegetables,
  • avoiding burned or heavily fried foods,
  • washing produce properly,
  • and limiting excessive consumption of unfamiliar wild plants.

Doctors say long-term health depends far more on:

  • overall diet,
  • smoking habits,
  • alcohol consumption,
  • exercise,
  • and lifestyle balance

than on a single vegetable eaten occasionally.

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