Appendicitis occurs when the appendix becomes blocked, often by stool, a foreign body, or cancer. Blockage may also occur from infection, since the appendix swells in response to any infection in the body.
A familial generation is a group of living beings constituting a single step in the line of descent from an ancestor. In developed nations the average familial generation length is in the high 20s and has even reached 30 years in some nations.
Research collected between 2010 and 2013 found that the Silent Generation is the happiest generation in America, followed by the Boomers (born 1946 to 1964), Generation X (born 1965 to 1980), and Millennials (born 1980 to 2000).