Another important substance in the fight against colorectal and other cancers is the antioxidant.

Water is quite arguably the most important substance on Earth.

Salt has been an immensely important and coveted substance throughout history.

He thought the thyroid liberated some important substance into the blood.

The nonliving, but very important, substances in bone are the minerals and salts.

Organisms use glucose as a precursor for the synthesis of several important substances.

Enzymes, hormones and many other important substances made by the body are proteins.

"So many of the procedural concessions we have already seen have important substance embedded in them," he says.

The most important substance in his galactic empire is the spice melange.

This is where the almost complete absorption of nutritionally important substances takes place.