Avocados lower cholesterol and dilate blood vessels. Avocados contain a nutrient called glutathione, which blocks carcinogens while helping the liver detoxify synthetic chemicals. You Might Also Like Apple Cider vinegar offers many health benefits September 23, 2014 Cayenne Pepper June 24, 2013 Fruit should always be eaten first thing in the morning or before other meals June 18, 2015