What oil is better for cooking (i.e., stir frying) -- olive oil or grape seed oil?

Olive oil. Olive oil is one of the best oils you can use. It is a big part of the Mediterranean diet which is considered to be one of the most heart healthy diets around.
Olive oil. Olive oil has a slightly higher smoking point and may be better for cooking. From a health perspective, Olive oil again certainly better as it contains a better Omega-3:Omega-6 fatty acid ratio.