Vegetarian, Vegan and Animal Rights

Hundreds of studies have concluded the exact opposite.
If you want, I'll cite the studies so you can follow them up for yourself.

High fat diets are deadly. High fat damages every organ in the body, especially arteries and the insulin receptors.
High fat diet alone is enough to bring on type two diabetes, and a low fat diet can cure it.

This doctor explains the root cause of diabetes:

The dangerous thing is that a high fat diet masks the symptoms of diabetes while making the cause worse, so diabetics on high fat diets think they are getting better while they are actually getting worse.