April 25, 2018

A U.S. serviceman severely injured several years ago in an IED blast in Afghanistan has received the world's first total penis and scrotum transplant, surgeons at the Johns Hopkins University School of Medicine announced Monday.

The man, whose identity was not released,...

April 12, 2018

Doctors have long wondered why breast cancer patients are more likely to see their cancer spread within the first 18 months after a lumpectomy or mastectomy. 

A new study suggests the wound healing that follows surgery may trigger this spread.

As the immune system w...

October 27, 2017

A medical condition might explain former President George H.W. Bush’s recent behavior, according to several doctors who are familiar with the condition but not with the President’s case or care.

Bush, 93, who has used a wheelchair for the last five years, was accused re...

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About me



journalist covering

the biological


Regular contributor to The

New York Times, The Washington Post, 

Scientific American.com, WBUR radio and others. 

Journalism educator and book




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