Sen. Susan Collins, the top Republican on the homeland security committee, plans to introduce a bill that would require the TSA to conduct a new health study of the X-ray body scanners used at airports.

"..an independent study is needed to protect the public and to determine what technology is worthy of taxpayer dollars," said Collins.

Read the full article: <http://www.propublica.org/article/bill-would-require-independent-study-of-x-ray-body-scanners>

And our series, Body Scanners: Risking Health to Secure Airports