The first time I was bitten by a leech, I was swimming in a West Virginia river. I remember the scene perfectly: I crawled out to dry off and tried to wipe the mud off my knees, but the leech wouldn’t ...

DEHRADUN: The creature once notorious for clinging to human skin and sucking blood in the Himalayan foothills—leech, scientifically known as 'Hirudo medicinalis'—is now being harnessed as a powerful ...