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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
New antibody testing suggests the coronavirus may be less deadly than feared, but it’s still more dangerous than seasonal flu
WORLD’s medical correspondent fields inquiries from listeners and readers
Limited research suggests anti-malarial drugs could help fight the new coronavirus

Recent
Research shows vitamin D sometimes prevents the common cold. Could it help ward off the new coronavirus?
A new treatment gives hope to children with severe allergies
Diagnosing the causes of the opioid crisis 
Severely ill patients are more than collections of usable organs
Corporate and nonprofit groups hope to bring down the cost of lifesaving drugs
When society decides killing is a ‘cure’