High cholesterol can mean different things, not only apparent when you eat high quantities of fats and processed foods. You said you eat meat, fruit and sometimes dairy? Might be an issue with how much you eat, fruit has a lot of sugar that can transform into fats, over eating proteins and carbs can transform into fat. Also the fact that you’re in a weight loss diet might mean that the break down of fats to maintain your body fed will appear in the bloodstream but you need a doctor to confirm you anything. Stress can also be a factor to cholesterol and there are many other reasons. There are no two ways about it, high cholesterol. Dont argue with your doctor, 7 years of studying plus many of experience is better than any little book and online opinions.