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.
3Though U.S. government debt is perhaps the most widely held class of security in the world, as of the end of July 27.6% of the debt (about $5.48 trillion) is owed to another arm of the federal government itself.