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 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. Read These Next Why Catherine O'Hara's death feels like a 'gut punch.' Trump's jokes to 'people I hate' aren't all hits. A new 'No Kings' protest is on the calendar. President Trump threatens to sue Trevor Noah next. Report an error