Alivia Parker, 21 months at the time, ran through circles of spraying water on a hot day in Montgomery, Ala., last June. She was wearing sunscreen with an SPF of 100, a rating that won't be allowed much longer. Dave Martin/AP hide caption

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The FDA's latest effort to end the use of antibiotics as growth promoters in animals is getting mixed reviews from activists. Rob Carr/AP hide caption

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FDA Launches Voluntary Plan To Reduce Use Of Antibiotics In Animals

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Lipitor, and other cholesterol-fighting drugs like it, will carry new instructions about risks. Paul Sakuma/AP hide caption

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Diet Drug Qnexa Gets Thumbs-Up From FDA Panel

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The FDA hasn't approved a new weight-loss drug since 1999. In the meantime, Americans' waistlines have continued to grow. M. Spencer Green/AP hide caption

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Weight-Loss Drugs Face High Hurdles At FDA

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