But there is another pathway - the prostacyclin pathway. In this pathway, arachidonic acid is broken down into prostaglandin I2 (prostacyclin), which then has vasodilatory and antiproliferation properties.
This is another avenue of research, especially for amateurs like me, because of the many herbs that work on this pathway. More on this approach in the near future, when I have time.
Some information on this pathway: