Every year, thousands of people are diagnosed with liver diseases such as Hepatitis C. The virus causes the liver to become damaged and stiff through a process called fibrosis. The only way to test the liver for this issue is with a needle biopsy, which can be uncomfortable because it's invasive. But now, Doctors at Mayo Clinic have developed new technology that allows doctors to determine the stiffness of the liver without needle sticks. It's called magnetic resonance elastography, and it's
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