As head of Americaâs largest oil company, Mr. Tillerson has earned a friendship award from Russia and voiced skepticism about American sanctions that have halted some of Exxon Mobilâs biggest projects in the country.
Top 10 facts about the world. Welts are bumps in the skin that are caused by a fluid buildup directly below the surface of the skin. A number of things can lead to the development of a welt, ranging from trauma to the skin to an allergic reaction.
Dandruff is the most common cause of itchy scalp. Dandruff, also known as seborrhea, occurs due to an overproduction of skin cells in the scalp. Most people are familiar with the white flakes of dandruff that fall from the scalp like snowflakes.