Have you ever noticed the strange, colorful splotches clinging to rocks, tree bark, or even old fences after a rainy day?

A walk in the desert and a curious discovery could have revealed that the secrets of alien life grow in the harshest conditions on Earth in the form of lichen.

The term lichen simplex chronicus is used when the lichenification (as described previously) develops on skin that had been previously normal in appearance and where underlying skin disorders have ...

Mouth sores show up on the bottom lip, inner cheek, roof of the mouth, and on the gums. Review a gallery of mouth sore pictures.

Here are some of the best pictures taken throughout the course of the day. The triathlon saw thousands of athletes competing for the ultimate glory, to be named an ironman or ironwoman and, if ...

#2: Lichen simplex chronicus This condition is driven by chronic scratching, which Barr said is often tied to stress, anxiety or other psychiatric conditions. Skin allergies and irritants can ...

Sony Pictures Animation, Sony Pictures Imageworks and Yellowbrick have launched a free online animation course, This is Animation." ...

Etiology Unknown. Biopsy showed lichen simplex chronicus. There are no clinical manifestations. Some areas of the skin may be predisposed to pruritus leading to rubbing and scratching.

I' m a 35yr old female. About a year ago, I was diagnosed with lichen simplex chronicus. Infact the disease has been with me for more than 20 years and no Doctor had ever told me the exact name of the ...

Lichenification occurs when repeated scratching or rubbing causes skin to thicken and become leathery. Certain skincare and treatment options may help reduce the reaction.

Researchers exposed two lichen species to Mars-like atmospheric conditions for five hours—and one performed impressively.