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.
Even though its total share of the total U.S. public debt outstanding fell from 8.5% to 7.9% between FY 2012 and FY 2013, China increased the amount of its holdings of U.S. government-issued debt by nearly $130 billion, lending approximately 18% of all the new debt borrowed by the U.S. Treasury in Fiscal Year 2013.