"A 65-year-old man enrolled in a Medigap plan with average premiums will need to have saved $120,000 to have a 50 percent chance of having enough to cover premiums and median prescription drug expenditures, and a 65-year-old woman will need to have saved $146,000.... [A] couple with particularly high prescription drug expenditures will need to have saved $469,000 to have a 90 percent chance of having enough money to cover their health care costs in retirement."  MORE >>