Palm oil
Discussion
that's a lot less worse for you than the ones i listed, but it's still not great. although its very popular where you live, so im not gonna knock it.
there's something i read about it clogging arteries, though if i remember i'll share.
Its the saturated version of it that is bad (margerine & its siblings)
Olive oil is excellent because it is pufa, so it literally reverse hypercholestremia. The downside is it doesnt retain enough heat for asian style cooking