Researchers associate low levels of vitamin D with CAD, stroke, heart failure

The New York Times (11/16, Rabin) “Well” blog reported that, according to research presented Nov. 16 at the American Heart Association conference, “Americans aren’t getting anywhere nearly enough of” vitamin D, “and it may be affecting their heart health.” After examining data on 27,686 “healthy adults 50 and older whose vitamin D levels had been measured during routine checkups,” researchers found that “those who had extremely low levels of the vitamin were almost twice as likely to have died or suffered a stroke than those with adequate amounts.” In addition, they “had more coronary artery disease and were twice as likely to have developed heart failure.” HealthDay (11/16, Preidt), AFP (11/17) and CNN (11/17, Mann) also cover the study.

Moderate-fat diet may work better to alter negative metabolic effects. HealthDay (11/16, Gardner) reported that, according to research presented at the American Heart Association annual meeting, “a moderate-fat diet may work better than a low-fat regimen for people suffering from metabolic syndrome.” After randomizing “71 men and women with metabolic syndrome into one of two diet arms, the first made up of 40 percent fat, 45 percent carbohydrate and 15 percent protein (the moderate-fat diet) and the other, the low-fat diet, containing 20 percent fat, 65 percent carbs and 15 percent protein,” investigators discovered that “levels of LDL…cholesterol,” as well as C-reactive protein and triglycerides, all dropped on the moderate-fat diet.

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