But relaxation techniques may not be enough, Peeke said, since the best way to blockstress hormones is through beta endorphin -- produced during exercise.
Other companies, such as Neurogen, Aventis and Neurocrine Biosciences, are in early tests of drugs that block a damaging stress hormone often elevated in depressed patients.
For another, the strategy of UK ministers is to highlight uncertainty, not to seem to be suggesting that they are placing any block in the path of a decision which, they repeatedly stress, is one for Scotland to take.