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Bracken Fern Poisoning: Risks, Symptoms & Health Effects
Yes, bracken ferns are poisonous to humans. All parts—fiddleheads, fronds, and rhizomes—contain ptaquiloside, a toxic compound.
Health Effects
- Digestive issues: Nausea, vomiting, diarrhea, abdominal pain.
- Acute poisoning (large quantities): Kidney damage, liver damage, neurological problems.
- Cancer risk: Bracken fern is a possible human carcinogen. Long-term consumption is linked to increased risk of stomach cancer, esophageal cancer, and other cancers.
Avoid consumption of bracken fern.
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