http://health.usnews.com/usnews/health/healthday/080122/caffeine-may-lower-ovarian-cancer-risk.htm Drinking alcohol doesn't seem to boost a woman's risk of ovarian cancer, while caffeine may help protect against the disease, a new study found.
In the same study, smoking cigarettes wasn't linked with an increase in the most common types of ovarian cancer but was associated with an increase in a rare subtype of the disease.
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For the study, Tworoger and her colleagues looked at data from questionnaires in the Nurses' Health Study, which includes 121,701 U.S. female registered nurses. The study began in 1976, with women then aged 30 to 35 completing questionnaires, then replying every two years to update the data.