#5:
I've read in a number of places over the years that while trans-fats, whatever's in margarine, and artificial stuff in general tends to clog arteries at a much slower rate than natural fats. BUT, once it's there..... good luck getting it off.
If your arteries are clogged from animal fats, the deposits dissolve comparatively more quickly... years as opposed to decades for margarine, IIRC
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Weird thing: When I had my arteries scoped out before my heart surgery the team asked me (mid way through the procedure) if I were a vegan. I laughed and told them I was half Polish so I had a serious dairy addiction but was too lazy to cook much meat so I guess I was technically an 'ovo-lacto vegetarian'...... So why are you asking me?
They told me that my arteries were too clear for me to have a regular American diet. The head nurse explained that cholesterol and fat from dairy products leave fewer deposits on arterial walls than the equivalent quantity of meat.
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#2:
Personally I'm fond of coconut oil. I find it's long lasting, doesn't make my skin break out, and clean-up is easy.