Yes, the type of fat consumed can be crucial. Saturated fats, commonly found in animal products and processed foods, have been associated with an increased risk of breast cancer in some studies. In contrast, monounsaturated fats like those found in olive oil, and polyunsaturated fats present in fish and nuts, may have a protective effect. The role of trans fats is controversial, but they are generally considered harmful to overall health and potentially linked to increased cancer risk.