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.
Government debt (also known as public interest, public debt, national debt and sovereign debt) is the debt owed by a government. By contrast, the annual government deficit refers to the difference between government receipts and spending in a single year.