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.
The $58 trillion public debt securities market includes government bonds. We found that the stock of world's financial assets continued to grow in 2014 but fell slightly as a percentage of global GDP, Sanyal wrote in a massive note called Mapping the World's Financial Markets..