Sen. Bernie Sanders and Rep. Elijah Cummings request details after Ariad repeatedly raised the price of its drug. » Read More
A new drug being tested slows Alzheimer's by removing plaque buildup in the brain. It's hope for millions suffering from the disease. » Read More
New CEO David Sacks is hoping that a new all-in-one human resources platform for small business will turn the page for Zenefits in 2017. » Read More
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Dan Mangan is a reporter covering health care for CNBC.com.
Meg Tirrell joined CNBC in April 2014 as a general assignment reporter focusing on biotechnology and pharmaceuticals.
Bertha Coombs is a general assignment reporter for CNBC, covering financial markets and business news stories.