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.
The singer-actor-record producer is worth an estimated $80 million. His hit 1998 album Devil Without a Cause sold over 13 million albums worldwide. Rock has sold over 27 million albums worldwide throughout his career, making him one of the most successful American musicians of the last 15 years. In 2013, Rock capped his summer concert ticket prices at $20 to ensure his fans could see him perform live.