What are the health benefits of Omega-3 fatty acids?

Over the past decade, Omega-3 fatty acids have gained widespread attention in both medical community as well as in lay press for their health benefits.
Omega-3 fatty acids are one of the two types of polyunsaturated fats. The other type is omega-6 fatty acids. The main dietary source of omega-3 fatty acids are soybean and canola [...]