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Charles Horton, M.D.

Charles is WORLD's medical correspondent. He is a World Journalism Institute graduate and a physician. Charles resides near Pittsburgh with his wife and four children.
Articles by Charles Horton, M.D.
Could vitamin D reduce severe COVID-19?

Could vitamin D reduce severe COVID-19?

A new study suggests researchers should look more closely at vitamin D and coronavirus cases
What the tests can tell us
New antibody testing suggests the coronavirus may be less deadly than feared, but it’s still more dangerous than seasonal flu
What the tests can tell us
Coronavirus questions and answers
WORLD’s medical correspondent fields inquiries from listeners and readers
Coronavirus questions and answers
Seeking treatment
Limited research suggests anti-malarial drugs could help fight the new coronavirus
Seeking treatment
Recent
The vitamin D factor
Research shows vitamin D sometimes prevents the common cold. Could it help ward off the new coronavirus?
The vitamin D factor
Peanut protection
A new treatment gives hope to children with severe allergies
Peanut protection
Anatomy of an epidemic
Diagnosing the causes of the opioid crisis 
Anatomy of an epidemic
Death wishes
Severely ill patients are more than collections of usable organs
Death wishes
Pricing power?
Corporate and nonprofit groups hope to bring down the cost of lifesaving drugs
Pricing power?
More equal than others?
When society decides killing is a ‘cure’
More equal than others?
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