Fluoride: a controversy revisited.

The purpose of this article is to provide a review of the small but loud debate that has surrounded fluoride over the past 50 years. The benefits of fluoridation and its effect on public health are well known throughout the dental community. What is far less well known are the objections from people--in the tradition of the old amalgam and radiograph radiation debates-who feel that fluoride has adverse effects serious enough to warrant a cessation of its use.

[Effects of prolonged hyperbarism on lipid peroxidation and structural-functional state of erythrocytes].

Prolonged helium-oxygen hyperbaric (pressure 3,6 MPa) increased diene conjugate and Schiff's base level in plasma and erythrocyte membranes of mice. In those conditions SOD and glucose 6-phosphate dehydrogenase activities were inhibited in erythrocytes. Lipid bilayer microviscosity and cholesterol content of erythrocyte membranes were increased.