Colon polyp facts. 1  Colon polyps are growths on the inner lining of the colon and are very common. 2  Colon polyps are important because they may be, or may become malignant (cancerous).  Changes in the genetic material of cells lining the colon are the cause of polyps.
DEFINITION of 'Consumer Price Index-CPI'. A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food and medical care. The CPI is calculated by taking price changes for each item in the predetermined basket of goods and averaging them; the goods are weighted according to their importance.
The all-items Consumer Price Index (CPI), a measure of economy-wide inflation, fell 0.1 percent from July to August and is 0.2 percent higher than the August 2014 level. However, the CPI for all food rose 0.3 percent from July to August and is now 1.6 percent above the August 2014 level.