The olive oil plays a crucial role in the metabolism function and contributes in the bone and brain growth. It stimulates the cell increase and improves blood circulation. Therefore , the process of injury healing is accomplished easier. Responsible for this is a substance found in olive oil called “chlorophyll”. In addition, olive oil is recommended for the prevention of cardiovascular diseases, arteriosclerosis, cholesterol and for the healing of hepatic and gastrointestinal diseases. Moreover the olive oil protects the skin from solar radiation. A Harvard University survey showed that women who consume olive oil more than once per day, have 25% less odds to develop breast cancer. Gerontology also recommends for its vitamin E (natural antioxidant) content which decelerates the corruption of the cell membrane which is the cause of natural aging.