Half of all cancers could be prevented if people just adopted healthier behaviors, U.S. scientists argued on Wednesday.

Cancer deaths in the United States continued to decline over the past decade, said a yearly report on U.S. cancer statistics released Wednesday.

Swiss drugmaker Roche Holding plans to offer cut-price versions of two blockbuster cancer drugs for the Indian market soon, a company spokesman said on Friday, days after the government moved to slash the price of another cancer treatment.

Many patients taking a widely prescribed class of oral cancer drugs are also using a variety of medications that could reduce the effectiveness of the cancer treatment or increase its toxic side effects, according to research by Medco Health Solutions Inc.

The Center for Science in the Public Interest (CSPI), a U.S.-based nonprofit watchdog group, said Monday that both Coke and Pepsi colas contain high levels of 4-methylimidazole (4-MI), a carcinogen which forms when ammonia or ammonia and sulfites are used to manufacture the caramel coloring that gives the sodas their distinctive brown colors, according to the CSPI.

Almost 1.3 million people will die of cancer in the European Union this year, but death rates from the disease are on a steady decline, according to new research released on Wednesday.

Counterfeit versions of the popular cancer drug Avastin obtained by European regulators contain a variety of chemicals, but not the active ingredient found in the genuine drug, according to drugmaker Roche.

The maker of the best-selling cancer drug, Avastin, is warning doctors and patients about counterfeit vials of the product distributed in the U.S. but made abroad.

A widely available cancer drug has shown remarkable success in reversing Alzheimer's disease in mice, raising hope of a breakthrough against incurable dementia in humans, U.S. researchers said Thursday.

Researchers have encouraging news for women who find themselves in a very frightening situation: having cancer while pregnant. Studies suggest that these women can be treated almost the same as other cancer patients are, with minimal risk to the fetus.