Health / cancer Coffee, Tea Not Seen to Boost Breast Cancer Risk Drinking more, caffeinated or not, didn't increase cases in 22-year study By Nick McMaster, Newser Staff Posted May 27, 2008 12:27 PM CDT Copied Republican presidential candidate, Sen. John McCain, R-Ariz., gives a thumbs up as he drinks a coffee at Cafe Versailles on Tuesday, May 20, 2008, in Miami. (AP Photo/Jeff Chiu) Coffee and tea don't elevate risk of breast cancer, researchers report after a 22-year study involving nearly 86,000 women. Those who drank four cups of coffee or tea—caffeinated or decaf—a day had the same incidence as those who drank a cup or less. "Coffee and tea are remarkably safe beverages when used in moderation," one scientist tells Reuters. (More cancer stories.) Report an error