Couric Preview: Antibiotics

CBS Evening News Anchor Katie Couric previews her story tonight about a possible threat to your health.

It's estimated that as much as 70 percent of the antibiotics in this country went to agriculture last year. They're given to farm animals, to make them big and healthy – and to prevent disease.

Experts warn that the overuse of antibiotics in animals is leading to creation of new strains of drug-resistant bacteria - that can infect you and me.

Will fewer drugs will be effective in humans who really need them as a result?



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