"The role of dietary calcium intake in cardiovascular disease, stroke and fracture is controversial. Moreover, participants in previous studies were from populations that had calcium-rich diets," said Sung Hye Kong from Seoul National University Hospital in South Korea.

"We aimed to evaluate whether high dietary calcium intake increases the risk of CVD, stroke and fracture in a population with low calcium intake," said Kong.
Researchers conducted the study among individuals in Korea's ongoing prospective community-based Ansung and Ansan Cohort Study that began in 2001.
Of the 4,589 men and 5,042 women in the cohort study's database who were 40 years of age and above at baseline and were followed up for an average of 13 years, researchers performed their analysis in 2,199 men and 2,704 women over 50 years of age without previous cardiovascular disease and stroke.
The individuals in the study reported their dietary food intake in periodic food frequency questionnaires. Cardiovascular disease, stroke and fractures were recorded during interviews and examinations every two years.

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