I'm only getting an answering machine http://youjizz.in.net/ youjizz  To investigate how a discrepancy in the supply and demand of certain nutrients could hit people, Cambridge University’s Dr Miguel Constancia and Cardiff’s Prof Lawrence Wilkinson, Dr Trevor Humby and Mikael Mikaelsson looked at the behaviour of adult mice with a malfunctioned supply of the Insulin-like growth factor-2 hormone.