One of the few fruits that is high in fat i.e. healthy fat. 80% of fat in avocado offers health benefits that may help prevent cancer, heart disease, dry hair and high cholesterol. Avocados have plant compound called beta sitosterol to maintain a low level of cholesterol in your blood. Avocados are loaded with glutathione that neutralizes free radicals that cause cell damage. Glutathione also prevents cancer of the mouth and pharynx as well as heart disease. The unsaturated fat in avocado helps lower your level of low density lipoprotein cholesterol while maintaining high density lipoprotein.