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.
This is a listing of recent generations for individuals born in the United States. Dates are approximate, as recognized by demographers. 2000/2001-Present - New Silent Generation or Generation Z. 1980-2000 - Millennials or Generation Y. 1965-1979 - Generation X. 1946-1964 - Baby Boom. 1925-1945 - Silent Generation. 1900-1924 - G.I. Generation.