Dentistry

Supreme Court drills dentists in teeth-bleaching dispute

(AP)—The Supreme Court ruled Wednesday that a state regulatory board made up mostly of dentists violated federal law against unfair competition when it tried to prevent lower-cost competitors in other fields from offering ...

Medications

California counties sue over painkiller marketing

Two California counties have filed a lawsuit accusing five drug companies of waging a campaign of deception to boost the sales of painkillers behind the nation's prescription drug addiction problem.