Complex sentence: According to data collected by the American Heart Association, around 20.5% of Asian Americans have high blood pressure, with the majority of them Filipinos, and they are a high risk group for hypertension.
Split into simpler sentences: According to data collected by the American Heart Association, around 20.5% of Asian Americans have high blood pressure. The majority of hypertensive Asians are Filipinos, and they are a high risk group for hypertension.