Even though it appears that the population is very heterogeneous in respect to the profile of CAD, treatment, and medications, statistically they are comparable (Table 1). About 90% of the population was on mixed diet. Dietary intervention in atherosclerosis is difficult for reasons such as longer duration for the impact to be evident, marinating the compliance till end of the study, and to balance other contributing factors. Reasons for the delay in the recruitment were due to: (1) patients decision to change over to a particular oil; (2) family acceptance to the need for special cooking; and (3) behavioral modification to ensure home eating. In dietary interventions, adherence to the particular diet and monitoring of the same is very important. In this study, the following effective and widely used tools25, 26 and 27 were used to assess the compliance to the oil assigned: (a) 24 h recall, (b) 7 day recall, and (c) a diet dairy.