FDA Eyes Rules on Child Anti-Depressants WASHINGTON - Federal health advisers considering more stringent warning labels for anti-depressants linked to suicidal thoughts among children were told on Tuesday that a new warning added in March appeared to have little impact on children's use of the drugs.    Children aged 1 to 17 still account for 7 percent of anti-depressants prescribed, said Michael Evans of the Food and Drug Administration's Office of Drug Safety...