A study finds a whole-grain sweet spot for heart health, the article reports.

Swapping refined carbs for unrefined grains can lower LDL cholesterol.

Researchers say the change offers measurable cardiovascular protection according to the article.

Rice and roti eaters may benefit by shifting to whole-grain versions.

Cardiovascular disease remains a leading U.S. public health challenge according to the article.

Nutritionists are probing the biological mechanisms behind the benefit according to the article.

Agencies may review guidelines if the findings hold across groups.

Clinicians will track biomarkers as patients try the dietary swap.

Read the full article for more details on whole grains and heart health.