So is Canola oil good or bad for health?

There is so much information on the internet that with we find almost all kind of opinions.
Many a times the opinions are not backed by evidence , but on the internet many a times an idea picks up steam and you do not know whats right.
For example Canola oil, many say its good, but I have read many places that its not so good or outright bad.
So who is right? I must say that though there is no answer we have to go by evidence.
For example there was a uhge scare regarding Canola oil on the internet. But then many peopl came out defending it.
Click this link
to read about the internet scare and the explanation refuting the scare below it.
Also stick to reputed websites, where you read stuff written by Doctors or subject experts.
Of course even Doctors are know for their lack of knowledge in certain cases.
So do nto believe whatever you hear or read, Google any such thing and get opinions and evidence from know reputed sources before coming to any conclusion.