Paul Saladino· MD
the homeoviscous model hypothesis is that the membranes of our cells need to maintain a constant level of fluidity and one of the ways your body can make those membranes more or less fluid is by inserting cholesterol molecules cholesterol is a steroid molecule different than an LDL low density lipoprotein particle into the membranes and so if you are eating more polyunsaturated fat then your membranes become more fluid because polyunsaturated fats have a little kink in the tail because of these double bonds if you're eating more saturated fat and we know this in humans this is fascinating to me the way that our cell membranes change in response to the fatty