Paula had her first panic attack six months ago. She was in her office preparing for an important work presentation when, suddenly, she felt an intense wave of fear. Then the room started spinning and she felt like she was going to throw up.
There is about $1.2 trillion dollars of U.S. currency in circulation. The Federal Reserve Banks distribute new currency for the U.S. Treasury Department, which prints it.
How long does a US quarter stay in circulation? Coins can, and do, circulate for hundreds of years. Up until  decimalization in 1971, it was common to receive 100 year old  Victorian pennies in British change.