I noticed that almost all types of cooking oil (vegetable oil, olive oil, peanut oil, etc) contain some saturated fat. Since saturated fat is known to be a contributor to heart disease, then could you simply remove the saturated fats from the oil to make it healthier?
https://www.health.harvard.edu/staying-healthy/the-truth-about-fats-bad-and-good
According to this article, It is generally recognized that high saturated fat intake is associated with heart disease.