Pharmaceutical grade fish oil - contains EPA and DHA. Omega 3 6 9 contains borage oil, fish oil, flaxseed oil. I think it's the EPA & DHA that is important in the first place. Here are some other benefits I found when I was looking up EPA / DHA:
asthma, bronchitis, emphysema, high blood pressure, heart disease, arthritis, depression, hot flashes, Crohn's disease, ulcerative colitis, Alzheimer's, attention deficit disorder (ADD), MS, Parkinson's disease, dyslexia, and many more.