Mouse study shows antibody can soothe raging, nerve-driven poison ivy itch.sciencedaily.com. November 07, 2016. Summary: Scientists have developed a strategy to stop the uncontrollable itch caused by urushiol, the oily sap common to poison ivy, poison sumac, poison oak and even mango trees. The team found that by blocking an immune system protein in the […]

Toxicological trivia from October 13, 2009: With regard to urushiol, responsible for rush’s dermatitis we can say: a)It can  not be transmitted from person to person with hands or clothing. b) It can not remain under the fingernails and then may by scratching move to other parts of the body. c) It may persist for […]