@AinmBeo - Like most things the more the better , but only up to a point. I have alot of high fat dairy in my diet and my BMI and my BMI is 21.5. C15 and C17 in dairy may account (at least in part) for the dairy paradox.

The dairy fat paradox: Whole dairy products may be healthier than we thought

↑ What is “already known” in this topic:
The most dietary guidelines recommending the increased consumption of low fat or fat-free dairy products.

→ What this article adds:
The dairy fat intake is not typically accompanied with a higher risk of weight gain, CVD, or type II diabetes in healthy persons within the range of the recommended calorie intake.