Pesky Poison Ivy: How to treat and avoid this summer season
In the Unites States alone, roughly 85 percent of the population are allergic to either poison ivy, sumac or oak. Out of that 85 percent, 10 percent are extremely allergic. Poison ivy rashes are caused by an allergic reaction to an oily substance called urushiol (u-ROO-she-ol). The oil that causes the [...]