Base is used broadly in both literal and figurative contexts: the wide base of the pyramid; a party seeking to expand its power base. Basis is used in a nonphysical sense: Healthy scepticism is the basis of all accurate observation (Arthur Conan Doyle).
Omega-3 fats also lower blood pressure and heart rate, improve blood vessel function, and, at higher doses, lower triglycerides and may ease inflammation, which plays a role in the development of atherosclerosis. Several large trials have evaluated the effect of fish or fish oils on heart disease.
1 Omega-3 fatty acids are a good example, as they block pathways to fat receptors that cause the body to release inflammatory enzymes.  Anti-oxidants â Vitamins and minerals like A, C and E all combat free radicals and oxidation, which are causes for inflammation that constricts blood flow.