Angelina, Katie and More Raise Health Awareness

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From Angelina Jolie going public with her preventative double mastectomy, to Katie Couric getting an on-air colonoscopy, to President Ronald Reagan disclosing his Alzheimer's diagnosis, celebs can massively influence the public's awareness of a myriad of health issues.

Inside Edition host Deborah Norville is sitting down with Dr. Freda Lewis-Hall, Chief Medical Officer at Pfizer to discuss the impact of these and more newsmaking stories.

Watch the video above, and visit for more.

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