A contrast agent doesn't make you feel better or treat what's ailing you. But by making CT scans clearer, contrast might be crucial in helping your doctor make the right diagnosis.
The Democratic National Committee wants to avoid a crush of candidates in TV debates during the presidential primaries. So it set a qualifying threshold: 65,000 donors spread across 20 states.
Law enforcement officials, prosecutors and members of Congress are expected to keep up inquiries into the president's campaign, inauguration, business and other topics.
Moore, a conservative commentator and former Trump campaign adviser, has joined the president in criticizing the central bank. "The Fed is sucking the oxygen out of the economy," Moore has said.
The bond market flashed an ominous warning Friday, as the yield on long-term government debt dipped below that of short-term bills. That unusual situation often signals a recession on the horizon.
Officials say the new blaze was extinguished after about an hour. Amid a week of environmental mishaps, the Texas attorney general filed a lawsuit alleging violations of that state's clean air laws.
Attorney General Dana Nessel reached a settlement with the ACLU. It requires agencies not to discriminate against gay people who want to adopt or foster children referred by the state.