Gary Cohen and his nonprofit, Health Care Without Harm, have persuaded hospitals around the world to close their medical-waste incinerators, dramatically cutting emissions of dioxin and other toxins.
Researchers analyzing episodes of ABC's "Grey's Anatomy" and Fox's "House" determine the hospital dramas are "rife" with incidents that violate professional codes of conduct.
Congressmen and state legislators aim to further regulate hospital management, hoping to encourage better care and finances. New research suggests these laws might not make much difference.