“Avocados are unhealthy because they are high in fat.”
Moderate confidence because a meta-analysis of seven randomized trials found that avocado intake lowered total and LDL cholesterol compared with habitual or low-fat diets, with little change in triglycerides or blood pressure. The trial set is small, so the size of benefit is less certain than the rejection of the blanket harm claim.
Avocados are high in fat, but most of it is unsaturated fat. They also provide fiber and micronutrients and can fit into a healthy diet.
High fat does not automatically mean unhealthy. The type of fat, portion and what the food replaces all matter.
Avocado can add calories, but it may also replace butter, cheese, creamy sauces or less filling snacks.
Can avocado support fullness and heart health?
Possibly. Its fiber and unsaturated fat can support fullness, and trials show modest improvements in some cholesterol measures.
Safety note: Avocado can trigger symptoms in some people with latex-fruit allergy or FODMAP sensitivity.
You do not need to avoid avocado because of its fat. It is also not a required superfood.
Use a portion that fits the meal and your appetite, without treating avocado as either dangerous or magical.