Urushiol is predominant in all parts of the poison plants. The leaves, stems, and roots all contain this sap. It can also be found even after the death of the plant. Skin absorption of urushiol tend to be very rapid. Inhalation of airborne urushiol is a risk during the burning of poison plants. Respiratory tract irritation occurs upon breathing in of smoke from burning poison plants. The allergic reaction observed is primarily due to airborne urushiol. The climate in Alaska, Hawaii, and the Sout
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