Ariana Eunjung Cha

Staff writerWashington, D.C.


Scientists might have the recipe to grow insulin-secreting cells by the billions using human stem cells.

  • Oct 10, 2014

The prize will be shared by John O’Keefe and husband-and-wife team Edvard Moser and May-Britt Moser.

  • Oct 6, 2014

The research could offer insights to eventually treat neurological conditions, including Alzheimer’s.

  • Oct 6, 2014

The news was especially devastating because -- unlike the child in Mississippi who missed treatments because her mother neglected to bring her back to for followup visits -- doctors in this case stopped the anti-retrovirals on purpose.

  • Oct 2, 2014

Bioethicist Arthur Caplan offers five ethical questions about issues such as cost and privacy.

  • Oct 1, 2014

There’s been a lot of confusion about what that means.

  • Sep 30, 2014

U.N. is joining with African governments to try to help the flood of children being abandoned or subjected to stigma due to fears of infection.

  • Sep 30, 2014

Those exposed to broad-spectrum antibiotics early in life, at zero to five months of age, had an 11 percent greater risk of becoming obese.

  • Sep 30, 2014

PEPFAR has been one of the most successful foreign policy initiatives, but its budget has been reduced.

  • Aug 2, 2014

At least seven passengers were headed to International AIDS Conference, organizers confirm

  • Jul 18, 2014
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Ariana Eunjung Cha is a national reporter for the Post. 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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