Financial uncertainty literally hurts. Here’s what you can do about it. Embrace uncertainty it’s the only surety in life, we’re often told. New research suggests these words may be easier said than done, particularly when it comes to financialuncertainty.During the Great Recession of 2008, stocks, bank accounts and IRAs weren’t the only things hurting. People were hurting, physically, and more so than usual. That year, Americans spent an estimated $300 billion on painkillers and other pain-related expenses, a 1,000 percent increase over two decades earlier and more than the combined yearly costs of cancer, heart disease or diabetes (based on the Medical Expenditure Panel Survey).