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Daily aspirin linked to steep drop in cancer risk

7 December 2010

Long-term use of a daily low-dose aspirin dramatically cuts the risk of dying from a wide array of cancers, a new investigation reveals.

Specifically, a British research team unearthed evidence that a low-dose aspirin (75 milligrams) taken daily for at least five years brings about a 10 percent to 60 percent drop in fatalities depending on the type of cancer.

“These findings provide the first proof in man that aspirin reduces deaths due to several common cancers,” the study team noted in a news release.

But the study’s lead author, Prof. Peter Rothwell from John Radcliffe Hospital and the University of Oxford, stressed that “these results do not mean that all adults should immediately start taking aspirin.”

“They do demonstrate major new benefits that have not previously been factored into guideline recommendations,” he added, noting that “previous guidelines have rightly cautioned that in healthy middle-aged people, the small risk of bleeding on aspirin partly offsets the benefit from prevention of strokes and heart attacks.”

Dr. Alan Arslan, an assistant professor in the departments of obstetrics and gynecology and environmental medicine at NYU Langone Medical Center in New York City, described the findings as “very significant.”

“[This] is the largest study to show that people who take aspirin for a long period of time have a reduced risk of death from many cancers, especially gastrointestinal cancers,” he noted.

“The take-home message for patients is that if someone is taking low-dose or regular aspirin, it may put them at a reduced risk of death from cancer,” Arslan added. “However, if someone is not already taking aspirin they should talk with their physician before starting. Aspirin has risks of side effects, including bleeding and stroke.”

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