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Health and medicine/Diseases and disorders/Symptomatology/Lesions

A new study using mouse tumors and human lung cancer cells helps explain why taking antioxidants could accelerate the growth of early tumors or precancerous lesions in high-risk populations.

A experimental human papilloma virus (HPV) vaccine may be capable of killing cervical cancer cells, according to an early clinical study of the vaccine published in the 10 October issue of the journal Science Translational Medicine.

A new study of foot-and-mouth disease shows that cattle afflicted with the virus are only infectious for a brief window of time—about half as long as previously thought. This finding suggests that the controversial control measures used to halt the disease’s spread, such as killing large numbers of livestock, could be reduced.

The discovery is also changing the way that scientists think about infectious diseases in general.