Does the NIH have the ability to screen for U.S. security issues in its award of research grants? That question is at the heart of an April 2 letter the Republican leadership of the House Energy and Commerce Committee sent to the Government Accountability Office in which it asked the government watchdog to examine the extent to which the NIH “adequately safeguards research funds from national security concerns related to the Chinese military or over the unethical use of human beings in research studies, especially from entities of concern in China.”