has left people with a permanent gray or blue-gray skin tone. Though such a transformation might seem like a scene from a science fiction movie, it is very real—and the effects are long-lasting.

The metal is commonly absorbed internally through the lungs, skin, or digestive system as ... react to form compounds that reflect a dull gray or blue color. As the recently published case study ...

Skins in CS2 are also grouped according to their rarity. Different shades of blue are used for different purposes: Consumer grade for gray skin, Industrial grade for blue, Mil-spec for dark blue ...