Olive oil alone does not have the right balance to be considered as the primary oil. If we consider the growing literature on the subject, there are many ideas, but conflicting evidence about what is best. Fatty literature is full of references to the omega groups, and we will this descriptive toward some recommendations about fatty acids. The 3 series are derived from alpha linoleic acid. Many articles have been written to recommend fish oil intake to prevent heart disease.
Epidemiological evidence suggests that fish eaters suffer less cardiovascular disease.
Such a high dose may not be required for a long-term protective effect, since in epidemiological studies the ingestion of fish a few days per week seems to protect against heart attacks. The 6 group are derived from linolenic acid. GLA is synthesized from linoleic acid via an enzyme, delta-6 desaturase. Their publications on essential fatty acid metabolism and treatment possibilities are a value resource, and their arguments in favor or fatty acid therapies are interesting. They challenge many nutritional dogmas, and raise questions about how fatty acids are utilized and how disease changes the rules for fatty acid intake.