Richard Knox

Since he joined NPR in 2000, Knox has covered a broad range of issues and events in public health, medicine, and science. His reports can be heard on NPR's Morning Edition, All Things Considered, Weekend Edition, Talk of the Nation, and newscasts.

Among other things, Knox's NPR reports have examined the impact of HIV/AIDS in Africa, North America, and the Caribbean; anthrax terrorism; smallpox and other bioterrorism preparedness issues; the rising cost of medical care; early detection of lung cancer; community caregiving; music and the brain; and the SARS epidemic.

Before joining NPR, Knox covered medicine and health for The Boston Globe. His award-winning 1995 articles on medical errors are considered landmarks in the national movement to prevent medical mistakes. Knox is a graduate of the University of Illinois and Columbia University. He has held yearlong fellowships at Stanford and Harvard Universities, and is the author of a 1993 book on Germany's health care system.

He and his wife Jean, an editor, live in Boston. They have two daughters.

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Shots - Health Blog
9:22 am
Tue April 10, 2012

Analysis Finds Lung Cancer Screening Worthwhile For Longtime Smokers

Dr. Steven Birnbaum positions a patient inside a CT scanner at Southern New Hampshire Medical Center in Nashua, N.H., in June 2010.
Jim Cole AP

Now there's fresh evidence that CT scans to detect early lung cancer belong on the short list of effective cancer screening technologies — at least for people at high risk.

Researchers conclude that spiral CT, which makes 3-D pictures of lungs, could reduce lung cancer deaths by 35 percent at a cost of $19,000 to $26,000 per year of life saved.

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Shots - Health Blog
5:10 pm
Thu April 5, 2012

New Type Of Resistant Malaria Appears On Thai-Burmese Border

A micrograph shows red blood cells infected by the malaria parasite Plasmodium falciparum.
John C. Tan AP

Malaria experts have been holding their breath and hoping it wouldn't happen. But it has.

Malaria parasites resistant to the last, best drug treatment, called artemisinin combination therapy, or ACT, are infecting people along the border of Thailand and Myanmar.

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Shots - Health Blog
7:45 am
Wed April 4, 2012

Doctors Urge Their Colleagues To Quit Doing Worthless Tests

Doctors, don't order that CT scan when a less-expensive ultrasound would work just as well, the Choosing Wisely campaign advises.
Catherine Yeulet iStockphoto.com

Nine national medical groups are launching a campaign called Choosing Wisely to get U.S. doctors to back off on 45 diagnostic tests, procedures and treatments that often may do patients no good.

Many involve imaging tests such as CT scans, MRIs and X-rays. Stop doing them, the groups say, for most cases of back pain, or on patients who come into the emergency room with a headache or after a fainting spell, or just because somebody's about to undergo surgery.

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Shots - Health Blog
11:48 am
Tue April 3, 2012

Mammograms May Lead To Breast Cancer 'Over-Diagnosis,' Study Finds

The problem of breast cancer overdiagnosis with mammograms is similar to the dilemma faced by men diagnosed with prostate cancer because of a PSA test.
Damian Dovarganes AP

Norwegian scientists say as many as 1 in every 4 cases of breast cancer doesn't need to be found because it would never have caused the woman any problem.

It's a startling idea for laypeople (and many doctors) thoroughly indoctrinated with the notion that any breast cancer is medically urgent — and should be found at the earliest possible moment.

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Shots - Health Blog
5:50 pm
Sat March 31, 2012

Babies Take Longer To Come Out Than They Did In Grandma's Day

Fifty years ago, the typical first-time mother in the U.S. took about four hours to give birth. These days, women labor about 6 1/2 hours.
Carsten/Three Lions Getty Images

Originally published on Sat March 31, 2012 5:51 pm

The typical first-time mother takes 6 1/2 hours to give birth these days. Her counterpart 50 years ago labored for barely four hours.

That's the striking conclusion of a new federal study that compared nearly 140,000 births from two time periods.

One big implication: Today's obstetricians may be rushing to do cesarean sections too soon because they're using an out-of-date yardstick for how long a "normal" labor should take.

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