A mother's love is like a drug, psychologists say, a potent substance that cements the parent-infant bond and has a profound impact on later development.

Free bradykinin is then released, and it is the most potent pain-producing substance yet found.

Dioxin has been described as among the most potent toxic substances known to man.

"Platelets have small packets of very potent substances," he said.

"There is a continual need to follow up through the lifetimes of children who received these very potent substances."

New methods that emerged in the late 1980's and early 90's, often using a synthetic psuedoephedrine, have yielded a much more potent substance.

Broccoli is also full of antioxidants, specifically sulforaphane, containing potent anticancer substances.

At present, the miniature cauldron contained a more potent substance.

Cyclophosphamide is one of the most potent immunosuppressive substances.

The more potent a particular substance is, the steeper this curve will be.