メディエイゴ

Long-term coffee consumption(1) is associated with(2) lower stroke(3) risk in women who don’t smoke, according to(4) a 24-year follow-up study(5) reported in Circulation(6): Journal of the American Heart Association(7).

Researchers(8) also say regular coffee drinking may be associated with a modest reduction in stroke risk in nonsmoking(9) women. The research, which used Nurses’ Health Study data, found that compared with women who drank less than one cup of coffee a month, the risk of all types of stroke was:
• 20 percent less in women drinking four or more cups/day.
• 19 percent less in women drinking two to three cups/day.
• 12 percent less in women drinking coffee five to seven times a week.
Previous analyses ― including a 2006 report from the Nurses’ Health Study ― raise the possibility that coffee may help protect against(10) diabetes(11) and does not appear to raise the risk of heart attack(12), researchers said. However, the few studies on stroke had contradictory(13) findings, said Esther Lopez-Garcia, Ph.D.(14), lead author(15) of the study and assistant professor(16) of preventive medicine(17) at the Universidad Autonoma de Madrid, Spain.

Researchers from Spain and Harvard Medical School in Boston analyzed the impact of coffee consumption on stroke risk over 24 years. The subjects(18) were 83,076 women who began the study in 1980 with no history of(19) stroke, heart disease(20), diabetes or cancer(21).

Every two to four years, the women completed food frequency(22) questionnaires(23) about their diet, including their consumption of coffee, tea, decaffeinated(24) coffee and caffeinated(25) soft drinks. Researchers used a woman’s average coffee consumption from all available reports (prior to(26) a stroke or death) for the analysis.