Dr. Ashley Knight-Greenfield

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PHOTO: A pig scavenges for food at the Trutier dump on the outskirts of Port-au-Prince, March 7, 2012, in Port-au-Prince, Haiti. — Spencer Platt/Getty Images, FILE

Teen dies from parasitic infection related to pork tapeworm: What is cysticercosis?

PHOTO: A person uses a computer in this stock photo. — STOCK PHOTO/Getty Images

Artificial intelligence better than humans at predicting premature death: Study

PHOTO: An image of Medusa. — STOCK PHOTO/Getty Images

The giant Medusavirus turns its hosts into 'stone' and may offer clues about evolution

PHOTO: An undated stock photo of a teenager looking at a phone. — STOCK PHOTO/Getty Images

Teen screen time linked to feelings of loneliness: The importance of spending time with friends

PHOTO: Emilia Clarke attends the 2018 British Academy Britannia Awards at The Beverly Hilton Hotel, Oct. 26, 2018, in Beverly Hills, Calif. — Axelle/Bauer-Griffin/FilmMagic/Getty Images

'Game of Thrones' star Emilia Clarke says she suffered 2 aneurysms: Here's what that means

PHOTO: A pregnant woman is pictured in this undated stock photo. — STOCK PHOTO/Getty Images

Educational and social disparities in women with male twins: Study

PHOTO: A sick woman lays on a couch blowing her nose in this undated stock photo. — STOCK PHOTO/Getty Images

Flu season is on the rise, and a more severe strain dominates: What you need to know

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