MOUNTAIN VIEW, Calif. – Expert predictions of Health Savings Accounts (HSAs) gaining popularity seem to be on target and health insurance companies across the country are responding to the demand. According to an eHealthInsurance report, Health Savings Accounts: The First Six Months of 2005 consumers are paying an average of $348 less this year in premiums for health insurance plans as part of a HSA program. The report also finds since 2004 there has been a shift toward younger buyers and some 55% of HSA-eligible plan purchasers are under age 40. Here's a look at a few more report findings: