Even though the U. S. Environmental Protection Agency (EPA) has given final approval for use of a new pesticide, regulators in California and other states are taking a closer look at the substance's potential adverse health effects before allowing the chemical to be used, according to an article scheduled for the Oct. 27 issue of Chemical & Engineering News, ACS' weekly newsmagazine.

A new National Research Council report chaired by University of Colorado at Boulder Distinguished Professor Frank Barnes calls for a stronger research effort on the potential health effects of exposure to radio frequency energy tied to the global explosion in wireless technology like cell phones, laptops and hand-held Web-surfing gadgets.

The rapid increase in the use of wireless communication devices in recent years has been accompanied by a significant amount of research into potential health effects from high exposure to radiofrequency (RF) energy emitted by these devices.

Firing clay in unvented kilns could be a significant source of dioxins in people exposed regularly and over long periods, a new study suggests.

A new study from the USC Davis School of Gerontology found that caregivers of different ethnicities showed few negative mental or physical health effects as a result of tending to a family member with dementia.

Mobile phones have not been found to be associated with any biological or adverse health effects, according to the UK's largest investigation into the possible health risks from mobile telephone technology.

Polyphenols, dietary substances from vegetables, fruits and green tea, bring about a change in the energy metabolism. Dutch researcher Vincent de Boer has discovered that polyphenols increase the fatty acid breakdown in rats and influence the glucose use in fat cells.

In an advance toward understanding the contradictory health effects of bioflavonoids, scientists in Tennessee are reporting that these natural components of fruits and vegetables poison a key human enzyme critical for the normal function of DNA. The research is scheduled for publication in the May 22 issue of ACS' Biochemistry, a weekly journal.