Merck and Moderna's cancer vaccine reduces the risk of death by about half, according to mid-stage trial data released Thursday.

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Stretching Your Dollar: How to Negotiate Medical Bills
With high healthcare costs, bills can quickly add up. In some cases, it is possible to negotiate your medical bills. Barak Richman, law professor at George Washington University, joined Cheddar News to discuss the easiest way to talk to medical debt companies about what's owed.
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