Of the randomly selected people of fish consumers , nearly 250 people (male & female), aged between 35 to 50 who are engaging in treatment for Cardiac vascular disease (CVD) , hypertension and stroke in three different national hospitals in Eastern Province. The daily fish consumption data, type of fish, amount of fish consumption in three times will be assessed during health survey among patients. During the survey fish eating frequency, cooking method, special ingredients used to cook fish , how many minutes they cooked fish, and processing technique will be interviewed.