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What are essential fatty acids?

Fatty acids which cannot be manufactured in the body and must be supplied by the diet


Give an example of an essential fatty acid

Linoleic acid in corn oil


What do essential fatty acids prevent?

Coronary heart disease


How do essential fatty acids help prevent coronary heart disease?

As they raise levels of high-density lipoprotein (HDL) cholesterol in the blood and lowers low-density lipoprotein (LDL) cholesterol which deposits cholesterol in the blood


Essential fatty acids counteract what affect in the body?

The hardening affect of cholesterol in the arteries


Essential fatty acids help build which cell organelle?

Cell membranes


List the sources of essential fatty acids

Olive oil
OIly fish


Write a note on essential fatty acids

They aid the formation of cell membranes

They lower LDL cholesterol

They increase HDL cholesterol

They lower the risk of coronary heart disease by lowering LDL which deposits cholesterol in the blood

They counteract the hardening affect of cholesterol in the arteries be increasing HDL

Sources = olive oil, oily fish, seeds, nuts