Health Video

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Study finds the cumulative effect of treatments equals a high dose of radiation.

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Should women get mammograms before age 50?

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For millions of women, everything they've been told about breast cancer screening has been changed with just one government task force.

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Government changes guidelines about age women should begin regular mammograms

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Dr. Manny breaks down new mammogram guidelines raising questions and concerns

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March of Dimes working to prevent premature births

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Chris Cuomo anchors a recap of "Good Morning America."

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Chef Jamie Oliver goes to Huntington, W. Va., to promote healthy eating.

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Two cancer experts discuss the need for mammograms.

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The U.S. Preventive Services Task Force redefines mammogram needs.

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Trishna and Krishna were disjoined after a 25-hour marathon surgery.

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Former Alaska governor discusses the shock of her daughter's pregnancy.

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Dr. Richard Besser tells you how to arm yourself against swine flu.

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The figure skater advises teens on how to handle the stress of competition.

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Learn how to control your blood sugar while engaging in physical activity.

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A government panel of doctors and scientists concluded that getting screened for breast cancer so early and so often leads to too many false alarms and unneeded biopsies without substantially improving women's odds of survival.

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Study finds cardio is best achieved at the gym and not with your gaming console.