ASSOCIATED PRESS CHICAGO -- Two long-awaited, government-funded studies found no evidence that dental fillings containing mercury can cause IQ-lowering brain damage or other neurological problems in children. Children with such fillings were no more likely than other youngsters to suffer such problems, the researchers found. Some experts found the findings powerfully reassuring. But the studies are unlikely to end the fierce debate over the long-term effects of what are known as amalgam fillings, and some advocates bitterly accused the researchers of conducting unethical experiments on children. Amalgam fillings, also called silver fillings, are made of mercury and other metals and...