[twic]

> When we eat more polyunsaturated fat, the cells incorporate more polyunsaturated fat into the cell membrane, making it more fluid.

That seems like an absolutely wild idea to me. So the cell just grabs whatever lipids arrive from the diet and turns them into phospholipids and puts them in the membrane? I know nothing about this process, but my biochemist's intuition tells me to be skeptical. Is there research on this?