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Is Giant Hogweed a risk to human health?

April 26, 2017giant Health hogweed Human risk

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Is Giant Hogweed a risk to human health?

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Yes. A clear and watery sap is found in the stem and hairs of Giant Hogweed. Contact with the sap can cause a skin reaction whereby skin becomes sensitive to the ultraviolet light in sun light. Reactions can occur up to 48 hours after contact, and sensitivity can lead to painful blisters and burns. Blisters can lead to pigmented purple and black scars that may last for long periods. In addition, contact with the eyes can cause temporary and sometimes permanent blindness.