Amazon.com description: Product Description: This book presents and discusses current research in the field of biology, with a particular emphasis on biological factors and their role in health and well-being. Topics discussed include the biotechnology of cyanobacteria; the reasons why glucose is the principal source of energy for living beings; post-transcriptional effects of oestrogen on gene expression; sialylation mechanism in bacteria and the evolution biology of health and disease clinical medicine from a Darwinian perspective.