Seniors with vitamin D deficiency may face more than 12 times an increased risk of heart failure, according to a study published in August.

A team of Brazilian researchers analyzed the medical records of cardiology outpatient clinic patients older than 60 to study the link between vitamin D deficiency and heart failure. 

Their findings also showed men, people with heart arrhythmias and obese individuals had an increased risk.

In addition, the study showed a high prevalence of vitamin D deficiency among its elderly subjects.

Results were published online in August in ESC Heart Failure