The physiological role of histamine in gastric secretion has been controversial since Popielski demonstrated that histamine sti mulates this secretion. The results using H2-receptor antagonists, together with the findings that histamine is produced and stored in the fundic mucosa and released upon vagal or hormonal stimulation, indicate that this amine is the major physiological stimulant of the parietal cells. The concepts of histamine as a 'final common chemo stimulator' of parietal cells, and as part of a 'multi-messenger' potentiating interaction of various hormonal secretagogues on...

The Race for the White House from Reagan to Clinton provides a foundation for how the presidential nomination process and the presidential election process have changed over the past three decades by addressing a number of important questions about the nomination and electoral processes.

Anthony Bennett guides us through the events of the four elections of the 21st century, showing how this era of partisanship has reshaped not only presidential nominations and elections, but the American presidency and politics itself.

Written in a clear and accessible style, this book presents a broad ranging enquiry into various methodological issues associated with contemporary youth research. Chapters cover a variety of topical areas, including youth transitions, youth in care, drugs, consumption and music. Featuring studies by new and established youth researchers, this book will be an invaluable resource for undergraduate and postgraduate students, and also those carrying out more advanced research, in the fields of sociology, social policy, health studies, cultural and media studies.