Ariana Eunjung Cha

Staff writerWashington, D.C.

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Theranos chief executive Elizabeth Holmes announced Thursday that her company’s finger-stick blood test has won clearance from the Food and Drug Administration. In February, Stanford School of Medicine professor John Ioannidis singled out the company for what he called “stealth research.“

  • Jul 3, 2015

Researchers say liraglutide, developed as a treatment for for diabetes type 2, helps patients lose weight.

  • Jul 2, 2015

Using extreme language -- from Jim Carrey’s Twitter rant to death threats to lawmakers -- opponents to California’s new mandatory vaccine law are pushing back.

  • Jul 2, 2015

After at least 14 deaths of athletes due to drinking too much water or sports drinks, a panel has issued new guidelines hat tell athletes to drink only when they are thirsty.

  • Jul 1, 2015

The milestone is a key step toward eradicating the virus even without a cure, an idea that was once considered a pipe dream but that in recent goals has been considered a realistic goal by world leaders.

  • Jul 1, 2015

Health officials said a 17-year-old has died of the illness.

  • Jun 30, 2015

Scientists have tried all kinds of strategies -- blood tests, brain imaging -- but the one that seems most promising may be a simple memory test.

  • Jun 29, 2015

A large study has found a link between citrus consumption and melanoma but some nutrition scientists are skeptical.

  • Jun 29, 2015

Initiatives to put machines alongside doctors raise alarms about software accessing personal data.

  • Jun 27, 2015

The Napster co-founder says he approaches philanthropic projects like startups.

  • Jun 26, 2015
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About
Ariana Eunjung Cha is a national reporter. She has previously served as the newspaper’s bureau chief in Beijing, Shanghai and San Francisco, a correspondent in Baghdad and as a tech reporter based in Washington. Before becoming a journalist, Ariana worked as a programmer analyst on Wall Street. She has a degree in computer science from Columbia University.
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