"They borrowed money from the federal government so they could go to school and become highly paid professionals. But a WBZ-TV I-Team investigation has found local dentists and doctors who have turned their backs on their obligations," WBZ reports. "This affects every taxpayer because those loans were guaranteed by the government. Records show that millions upon millions of dollars are owed in unpaid loans. There is a lot of taxpayer money at stake. More than 1,000 health professionals across the country owe close to $150 million. Just in Massachusetts, 22 defaulters are listed as owing $3.6 million."