More boomers are concerned about the cost of health care than the state of the economy, according to a recent report. The survey by CPH Research for Continuum Crew found that in 2008, 46 percent of boomers cited the recession as their main cause for anxiety. In 2009, 49 percent of boomers said the cost of health care was the biggest source of anxiety. The study added that overall levels of anxiety are on the rise.