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.
There are two primary types of U.S. government debt securities: issues with direct government backing, as is the case with Treasury and federal agency issues, and issues withmoral backing or guarantee, as is the case with government-sponsored enterprise (GSE) issues.