The logic behind this is derived from a theory called Ricardian equivalence, which holds that government spending cannot boost demand, since consumers cut their own expenditure in anticipation of higher taxes ahead.
That conflicts not only with the limbic-system theory but also with earlier reports of a so-called God Spot that derived partly from work conducted on epileptics.
In 2004 biotech firm Amgen (nasdaq: AMGN - news - people ) began trials of a Parkinson's drug called glial cell line-derived neurotrophic factor, or GDNF.
Using a technique called secondary ion mass spectrometry, the team determined that the mantle from which the meteorites derived contained between 70 and 300 parts per million (ppm) of water.