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There's a difference between knowing your breast cancer risk and believing it. When psychologists asked several hundred women to plug personal health data into an online tool that then calculated their breast cancer risk, nearly 20 percent rejected their scores as wrong.
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Doctors have debated for years whether a drug that curbed the growth of some prostate cancers caused more serious ones to grow faster. Now, a long-term study calms those fears and raises the possibility that a cheap, generic pill could be used reduce prostate cancer risk.
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Sometimes the condition a doctor labels as cancer isn't much of a health threat. Some cancer specialists are now looking at whether it's time to rethink what gets called cancer to lower anxiety and cut waste.
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The question of how to treat ductal carcinoma in situ is roiling the medical profession, and making for tough choices for women. The condition may never become invasive cancer. But some women choose to have mastectomies rather than live with uncertainty.
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Most people get diagnosed with lung cancer when it's too late to effectively treat it. A federal panel is trying to improve the odds by saying that longtime smokers and former smokers should get annual CT scans to check for lung cancer.
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One study finds that women who have been vaccinated against HPV are much less likely to have throat infections with the virus. Since the vaccine helps reduce risk of some cancers, scientists think it might turn out to be effective against throat cancers, too.
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Geneticists, pharmacologist and mathematicians combine their powers to answer one of the most vexing questions in modern oncology: Why don't anti-cancer drugs always work?
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In 2007, 4-year-old Faith Marr was diagnosed with a rare bone cancer. Doctors were uncertain about her chances of survival. Faith and her father, Jerris, talk about how their bond grew stronger during hospital stays when he would "tattoo" her favorite things on her skin and scars.
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Men with low-grade prostate cancer are choosing robotic surgery and other expensive treatments, even though they probably don't need treatment at all, a study says. Less testing and waiting before deciding to treat would reduce harmful side effects in many cases.
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Dr. Judith Salerno, a geriatrician, is replacing Nancy Brinker, the cancer philanthropy's founder and longtime chief executive. The change comes more than a year and a half after a decision to halt grants to Planned Parenthood plunged the group into controversy.