Because it grows in swamps and paddy fields, water chestnut is highly susceptible to worms and harmful bacteria. Eating it raw can cause digestive illness, especially in people with weaker stomachs.
2. Water Celery
This plant thrives in damp, muddy environments, which makes it a potential carrier of liver flukes. Consuming it raw increases the risk of diseases that can spread from livestock to humans.
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3. Arrowhead
Nutritious as it may be, arrowhead provides an ideal surface for parasites to attach. When eaten undercooked, these organisms can easily enter the body and trigger infections.
4. Water Caltrop
Often eaten raw for its sweet, nutty taste, water caltrop can harbor worms that lead to stomach pain, diarrhea, and even anemia if consumed without proper cooking.
5. Lotus Root
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