A midline diastema usually is part of normal dental development during the mixed dentition. However, several factors can cause a diastema that may require intervention. An enlarged labial frenum has been blamed for most persistent diastemas, but its etiologic role now is understood to represent only a small proportion of cases. Other etiologies associated with diastemas include oral habits, mus...

same disease in Assam. Dr. Bentley shews that the kidneys are not affected in beri-beri, and that albumen is not found in the urine, statements which tally with our own experience. We also speak from observation when we say that the pernicious form of anajmia, produced in some persons by the ravages of Anchylostomum duodcnale, cannot be confounded with beri-beri. Beri-beri seems to be a disease...

O n a global basis, cervical cancer still generates close to half a million new cases per year, of which half would die as a consequence. These figures are strongly related to socioeconomic level of development, with the burden of the disease heavily affecting developing populations. We now understand the causes of cervical cancer and novel prevention methods are being developed and introduced ...

During recent years significant progress has been made concerning our understanding the role of various factors involved in the etiology and pathogenesis of gastric carcinoma. Several factors are suspected to play a role in gastric carcinogenesis including environmental factors (diet, exogenous chemicals), intragastric synthesis of carcinogens, infectious factors (Helicobacter pylori) and genet...