Apples are good for humans. They contain a substance called pectin, which is effective in lowering cholesterol. They also help in cardiovascular health. Researchers have found that apples act as antioxidants against the damaging portion of cholesterol in the blood stream. Most people enjoy the taste of apples and the old wise tale of “an apple a day keeps the doctor away” for the most part is true. The substance pectin seems to be the key. This substance has truly been known to improve the quality and health of life. The apple is the fruit that contains the most pectin.