Understanding Poison Ivy Oil and Its Effects Poison ivy, poison oak, and poison sumac all produce urushiol, a sticky, l ...

Dealing with poison ivy, oak, or sumac exposure can be uncomfortable and frustrating. These plants contain urushiol oil, ...

Environmental groups are working to ban the sale of two types of Ivy in Washington state. They say English and Atlantic Ivy ...

Ivy has a tight grip on Western Washington. Now, environmental groups are working to ban the sale of two types of Ivy in the ...

Does Luigi Mangione have Lyme disease? If he does, it could play a role in his case. Here's what we know about Mangione's ...

Allergic contact dermatitis happens due to an allergic reaction to a particular substance, such as poison ivy or nickel ... while the second exposure causes the rash. View the slideshow below ...

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This is especially true of a small rash that will not go away. Contact dermatitis usually starts as raised red spots. It can change to blisters, as in poison ivy. The rash is itchy. Contact dermatitis ...

3. The Romans also used willow, as did English clergymen in the 1750s. 4. In the 19th century, scientists developed medicines based on salicin - salicylic acid and sodium salicylate. But they were ...

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