Inflation is the rate at which the general level of prices for goods and services is rising and, consequently, the purchasing power of currency is falling. Central banks attempt to limit inflation, and avoid deflation, in order to keep the economy running smoothly. Next Up.
If you are not allergic to metal, the reason for this reaction is chemical. It's due to a combination of the metal and the acids in your skin. Experts say that there are several metals that oxidize with your skin to give you a noticeable green ring around your finger. A ring made of copper is a common culprit, but even silver and gold metals can cause discoloration.
How to Keep a Ring From Turning Your Finger Green. If youâve ever taken off your favorite ring only to discover an ugly-looking dark green band of skin underneath, youâre not alone. While not common, a green or black discoloration of the skin is a possible consequence of wearing metal rings. While unattractive, that green mark on your finger is harmless.