Mammography detects about 80 percent to 90 percent of breast cancers in women without symptoms, on average. The testing is somewhat more accurate for postmenopausal than premenopausal women.
Source: American Cancer Society
Fact of the Day
October 12, 2009
The tomb of Christopher Columbus is in the Cathedral of Sevilla in Spain.
Source: CatedralSevilla.es
October 11, 2009
While white women have a higher incidence rate of breast cancer than African American women at age 45 and older, African American women have a higher incidence rate before that age and are more likely to die from the disease at every age.
Source: American Cancer Society
October 10, 2009
Women aged 20-24 in the U.S. had the lowest incidence rate of breast cancer from 2002-2006, at 1.4 cases per 100,000 women. The 75-79 age group had the highest incidence rate, 441.9 cases per 100,000 women.
Source: American Cancer Society
October 9, 2009
The estimated new cases of breast cancer in the U.S. for 2009 are: 192,370 women and 1,910 men. Estimated deaths are 40,170 women and 440 men.
Source: National Cancer Institute
October 8, 2009
The U.S. Postal Service has 656,000 career employees.
Source: USPS
October 7, 2009
An average of 667 million pieces of mail are processed each day by the U.S. Postal Service.
Source: USPS
October 6, 2009
There were 14.2 million computers in U.S. schools, as of the 2005-2006 school year.
Source: Census Bureau
October 5, 2009
The average annual salary of public school teachers in the U.S. is $50,758. The highest state average is in California ($63,640) and the lowest is in South Dakota ($35,378).
Source: Census Bureau
October 4, 2009
More than half of the United States’ 9.9 billion pounds of total apple production in 2008 came from Washington state.
Source: Census Bureau/USDA