The most common problem with the esophagus is gastroesophageal reflux disease (GERD). It happens when a band of muscle at the end of your esophagus does not close properly. This allows stomach contents to leak back, or reflux, into the esophagus and irritate it.
About 4,290 out of the total 11,830 visual artists worked for themselves to average $49,930 per year. The next largest employers were the motion picture and video industries, where 1,970 artists earned a mean annual $65,980.
1. Madonna (net worth: $800 Million). Madonna is unquestionably on the list of Highest Paid Female Singers in 2015, with an estimated net worth of $700 million. Titled by the media and the music industry as âThe Queen of Popâ, Madonna has sold more than 300 million records worldwide.