When Brent Chapman was 13, he took ibuprofen during a Christmas basketball game. It was a drug he had taken before, but what happened next was anything but routine: He had a severe reaction that ...

A surgical procedure to restore the power of sight to blind patients using their teeth is slowly gaining traction around the world, with Canada opening its first clinic for this treatment. It's called ...

Brent Chapman can see again after doctors pulled out one of his teeth, flattened it, drilled a hole in it, placed a lens inside and implanted the tooth in one of his eyes. It seems bizarre, but the ...