Studies have shown us that taking the proper dose of omega 6 and omega 3 is beneficial for our health. In many cases, it has been shown that these two fatty acids can help in the fight against obesity.
Sounds great right, wrong. Omega 6 and Omega 3 are very good fatty acids but with the improper ratio of the two, can actually cause obesity and cancer. The magical ratio to try to maintain for weight lose and general health is 3-4:1 Omega 6:Omega 3.
Today Americans are taking in about 15-20:1 due to the oil used in our fried foods and other cheap oils. People are eating to much which is the cause of our on growing obesity and cancers. Studies have shown that the balance of these two fatty acids are very important and to those who wish to live a healthy good life need to keep this ratio in mind.
Here is an article which helps explain this a little further.