By Allison Watkinson TLL Reporter Tivity Health has appointed IMC as its exclusive licensing agency for the company's SilverSneakers health and fitness brand. SilverSneakers by Tivity Health is a US-based community fitness program for Medicare-eligible Americans. The program was founded in 1992 and is available to more than 18 million people through American Medicare … [Read more...] about Tivity Health Appoints IMC As Agency for Silver Sneakers Brand