What can you see at the beach? Sunsets, crashing waves, shells, sea turtles… and fleas. And some of these sand fleas aren’t so harmless; outside of the U.S., one such insect is responsible for disease ...

Maggie O’Neill is a health writer and reporter based in New York who specializes in covering medical research and emerging wellness trends, with a focus on cancer and addiction. Prior to her time at ...