Coffee may lower risk of Parkinson's disease
Coffee drinkers may have a lower risk of Parkinson's disease than people who don't drink coffee, according to researchers from the Department of Veterans Affairs in Honolulu, Hawaii.
Researchers analysed data on 8004 Japanese-American men who were enrolled in a prospective longitudinal study between 1965 and 1968 (JAMA 2000; 283:2674-9). The men, who ranged in age from 45 to 68 years at the study's outset, had an average age of 53. The initial examinations included interviews, analysis of demographic data, a physical examination, and completion of a detailed dietary questionnaire. Nutrient intake was assessed by 24 hour recall during an interview with a dietitian. A one week dietary record was used among a subset of participants to validate nutrient intake.
Patients were followed for 30 years. Over the course of the study, 102 cases of Parkinson's disease were identified.
The researchers found a significant inverse relation between the incidence of