After spending time outside this summer, you may start to notice a sudden itch or rash developing on your arms and legs.
The heat may be to blame, but it also could be an allergic reaction to poison ivy, oak and sumac.
鈥淵ou don鈥檛 even have to come in contact with them to have a reaction,鈥� said 大象传媒 Assistant Professor Dr. Tilottama Roy.
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