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Taking one or two baby aspirins a day for at least five years was tied to a lower risk of colorectal cancer in a study from Denmark.
Earlier studies had suggested that aspirin and non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen may help protect against colorectal cancer, but it wasn't clear how much had to be taken, and for how long, to achieve those benefits.
Now, using data on more than 113,000 individuals, researchers have been trying to sort out the relationship between aspirin and NSAIDs, duration of treatment, and colorectal cancer rates.
In general, the risk of developing colorectal cancer varies with age, race, ethnicity and lifestyle. More than 90 percent of cases are diagnosed in people older than 50, according to the National Cancer Institute.
An online risk calculator from the Centers for Disease Control and Prevention (available here: 1.usa.gov/1DlscTL) indicates that in the U.S., for an average white or black woman in her late fifties, the 10-year risk of developing colorectal cancer is between 1 and 1.4 percent, and her lifetime risk is between 5 and 5.4 percent. For an average black or white male of the same age, the corresponding risks would be about 1.4 percent and 5.8 percent.For more click here