In addition, these babies were found to have 22 percent lower tryptophan hydroxylase level, which is the enzyme that produces serotonin, and the levels of binding in serotonin receptors were 50 percent lower in the babies who died of SIDS.

This medicine belongs to a group of drugs called serotonin agonists.

The standard treatments, the 5HT3 antagonists, whilst effective, do not block all serotonin receptor sub-types.

There may be an abnormality in brain biochemistry involving a chemical messenger called serotonin.

blood platelet serotonin levels.