WEDNESDAY, July 7 (HealthDay News) -- The number of deaths due to cancer continues to decline in the United States, according to new statistics from the American Cancer Society.
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In fact, the downward trend, which began in the early 1990s, means about 767,000 fewer deaths from cancer over the past two decades, according to society estimates.
The report finds that the death rate from cancer overall in the United States in 2007 was 178.4 per 100,000 people -- a drop of 1.3% from the previous year.
This decline continues a trend that started in 1991 for men and in 1992 for women. Since that time, death rates have fallen 21% among men and 12% among women, the report says.
"Cancer death rates continue to decrease because of prevention, early detection and improved treatment," said lead researcher Dr. Ahmedin Jemal, the strategic director for cancer occurrence at the society.
"The decline in cancer incidence and mortality among the U.S. population is a positive sign that public health campaigns and public policy regarding smoking, and greater utilization of and stricter guidelines for cancer screenings are working," agreed Monique N. Hernandez, a senior research analyst at the Florida Cancer Data System at the University of Miami Miller School of Medicine.
For 2010, the cancer society predicts 1,529,560 new cancer cases (789,620 in men and 739,940 in women) and 569,490 cancer deaths (299,200 in men and 270,290 in women).
As before, lung cancer remains the biggest cancer killer of both men and women. For men, the next biggest killers are cancers of the prostate and colon. For women, breast and colon that are the second and third most lethal cancers by number.
Overall, these cancers account for 50% of all cancer deaths among men and women, the report found
And while cancer is on the retreat, the good news hasn't affected all Americans equally. Indeed, the report found that black men are 14% more likely to get cancer and 34% more likely to die than white men, while black women have a 7% lower cancer rate overall but are 17% more likely to die than white women.
To help eliminate those disparities, Hernandez believes that experts and policymakers "must move beyond traditional behavioral explanations, such as individual smoking habits and screening utilization, and encompass aspects of the social, political, and economic contexts of health, which are also heavily variable by geography."
Other highlights of the report, Cancer Statistics 2010, which was published online in CA: A Cancer Journal for Clinicians :
- Cancer incidence rates dropped by 1.3% per year from 2000 to 2006 in men and 0.5% per year from 1998 to 2006 in women.
- Cancer death rates decreased 2% per year from 2001 to 2006 in men and 1.5% per year from 2002 to 2006 in women.
- Death rates have continued to drop in all four major cancer sites in men and in women, except for lung cancer in women, where rates have stabilized since 2003 after increasing for several decades.
- Lung cancer rates in men have been dropping by 1.8% per year since 1991.
- Colorectal cancer rates have dropped by 3% per year from 1998 through 2006 in men and by 2.2% per year in women.
- Breast cancer rates dropped 2% per year from 1999 to 2006 and 6% from 2002 to 2003, but from 2003 to 2006 the incidence rate leveled off.
- Among women, lung cancer is expected to account for 26% of all cancer deaths in 2010.
- Among children aged one to 14 in the United States, cancer is the second leading cause of death, after accidents. However, the five-year survival rate for children with any cancer improved from 58% for those diagnosed in 1975-1977 to 81% for those diagnosed in 1999-2005.
The American Cancer Society's Jemal said if more people quit smoking, were screened for cancers and had better access to care, many more lives would be saved, above and beyond the more than 700,000 lives noted in the report.
Hernandez believes that vigilance is key. "Given the way our age structure is shaping, with the elderly accounting for a larger and larger proportion of the total population, public health concerns about cancer are not going away," she said.
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SOURCES: Monique N. Hernandez, Ph.D., senior research analyst, Florida Cancer Data System, University of Miami Miller School of Medicine; Ahmedin Jemal, D.V.M., Ph.D., strategic director for cancer occurrence, American Cancer Society; July 7, 2010, American Cancer Society report, Cancer Statistics 2010, published in CA: A Cancer Journal for Clinicians, online