The Financial Minute is sponsored by Shelby State Bank with offices in Oceana, Mason, Manistee and Muskegon counties: www.shelbybank.com. Thanks to healthier lifestyles and advances in modern medicine, there are more Americans over the age of 65 than there have ever been. The U.S. Census Bureau estimates that by 2050, more than 20 percent of U.S. residents will be aged 65…