Not all headaches represent migraines, and migraine is not the only condition that can cause severe and debilitating headaches. For example, cluster headaches are very severe headaches that affect one side of the head in a recurrent manner (occurring in a cluster over time).
The United States government is the largest issuer of debt securities, and its bonds are considered the safest fixed-income investments available to your customer.
Jess Jiang/NPR. China holds about $1.2 trillion in U.S. government debt, according to the Treasury Department's latest figures. That's about 30 percent higher than the previous estimate.This is part of those global imbalances we keep talking about. China exports more than it imports; the U.S. imports more than it exports.or China, the U.S. is too big to fail. And it's not just China. Japan holds nearly $900 billion in U.S. government debt. In all, U.S. debt held abroad totals some $4.4 trillion. 1  Share. 2  Facebook. 3  Twitter. 4  Google+.