UV-B radiation from the sun is said to be the most important environmental risk factor for nonmelanoma skin cancer. Because the sun is the primary source of vitamin D, researchers are looking to see what role it plays in skin cancer. Some believe that enough sun exposure to keep your vitamin D levels up while protecting your skin from damage is beneficial to skin cancer survival.
A purveyor is someone who supplies goods â often food or drinks. If you're a seafood purveyor, you will always smell a bit fishy â which is no surprise, considering that you sell cod and haddock all day long. A purveyor can be someone who provides food or drinks, as in the popcorn purveyor who walks up and down through the stands of a baseball game trying to peddle his salty treats. When you go to the circus you will see clowns, who are purveyors of silliness because of their repertoire of fun and hilarious stunts.
Definition of caliper for Students. : an instrument with two adjustable legs used to measure the thickness of objects or the distance between surfaces âusually used in pl. a pair of calipers.