Does coffee consumption reduce the risk of type 2 diabetes?
From: International Journal of Obesity
- Hu, G., Jousilahti, P., Peltonen, M., Bidel, S., Tuomilehto, J., 2006. Joint association of coffee consumption and other factors to the risk of type 2 diabetes: a prospective study in Finland. International Journal of Obesity 30, 1742–1749.
- 10,188 Finnish men and 11,197 women aged 35–74 years
- A self-administered questionnaire data on coffee, tea, alcohol and other food consumption, physical activity, smoking, socio-economic factors and medical history, together with measured height, weight and blood pressure using standardized protocol.
- Participants were followed-up after after an average of 13.4 years.
- At follow-up, there were 964 cases of type 2 diabetes.
- The risk of type 2 diabetes in participants who drank 0–2, 3–6 and more than 7 cups of coffee were reduced by 0%, 23% and 34% in men, and 0%, 29% and 48% in women, and 0%, 25% and 39% in men and women combined, respectively.
- Among obese and inactive people, coffee drinking of seven cups or more daily reduced the risk of type 2 diabetes to half. This association was observed regardless of the levels of physical activity, BMI and alcohol consumption.
- Yes (with confidence)