What Is Oral Lichen Planus? Oral lichen planus is a long-lasting disease that affects your mouth, causing symptoms such as painful white patches, redness, and swelling. It doesn't go away, but you may ...

If you find a stripe-like rash on your child’s arm or leg, you might be concerned. But it might be a harmless rash called lichen striatus. This type of rash usually forms one or two lines of pink, ...

Lichen planus is an inflammatory skin condition that causes a rash that is usually itchy. It consists of small, shiny, slightly raised, flat-topped bumps that can be pink or purple in color. Lichen ...

Lichen nitidus is an inflammatory condition that causes small, shiny bumps to develop on the skin. It rarely causes other symptoms and does not usually require treatment. The causes of lichen nitidus ...

Researchers have been studying plants and animals in Nova Scotia's Kejimkujik National Park for decades, so it's not often they find something new. But recently, a type of lichen never before seen in ...

Oral lichen planus can cause white lesions to appear in your mouth, often on the insides of your cheeks. It may result from an infection, certain medications, or other health conditions. Lichen planus ...

Lichens are mostly unaffected by low-severity fires. In severely burned areas, nearly all the lichen were gone, even 16 years after a fire. As increasingly hot and severe wildfires scorch the West, ...

Two-in-one and one-of-a-kind; misunderstood and misidentified; generally mysterious and undoubtedly magical: that is lace lichen. Some think it causes harm, like a parasite. Not true, says Sebastopol ...

All winter, I stared at my magnolia tree’s bare branches, wishing for spring. Except, when I looked closely, I saw that the branches weren’t bare. While I waited for green leaves and pink blossoms, I ...

Lichen sclerosus is a long-term inflammatory skin condition. It creates patches of shiny white skin that’s thinner than normal. The condition can affect any part of your body, but it most commonly ...