However, blood cholesterol increases in most people when they eat a diet high in saturated fat and cholesterol, and excessive in calories. The effect may be reduced somewhat by increasing the amount of fiber in the diet. The relationship of dietary fat to incidence of breast cancer is not as strong as the link between high fat diets and colorectal cancer. The dietary fat-breast cancer relationship is complicated by other factors associated with menopause. However, animal studies show a significant effect of high fat diets on breast cancer.
Several studies show a relationship between high fat diets and increased lung cancer risk.
This relationship needs further investigation. Women often have a love-hate relationship with breads, cereals and other grain products. Over the years, quick weight loss diets have wrongly advocated low bread and cereal intake. The habit of avoiding breads, pastas, cereals and other starchy vegetables is difficult to break but doing so will lead to more healthful diets. Current recommendations ask Americans to increase breads, cereals, rice, and pastas to at least six servings each day.