Final answer:
The most important risk factor for mitral regurgitation is cardiovascular disease, and other risk factors include age, smoking, and high cholesterol levels.
Step-by-step explanation:
The most important risk factor for mitral regurgitation is cardiovascular disease.
Other risk factors for mitral regurgitation include age, smoking, high blood levels of LDL cholesterol, low levels of HDL cholesterol, hypertension, diabetes mellitus, obesity, lack of physical exercise, chronic kidney disease, excessive alcohol consumption, and use of illegal drugs.
It is important to address these risk factors to prevent or manage mitral regurgitation.