To date, Maddie has had her blood sucked by leeches and congealed by snake venom. In this video for Earth Unplugged, Maddie braves the bites of mosquitos as she talks to Dr James Logan about these blood thirsty parasites. Subscribe to Earth Unplugged - www.youtube.com/subscription_center?add_user=earthunpluggedtv Check out the BBC Earth website www.bbc.com/earth Join the Earth Unplugged community: Facebook: www.facebook.com/EarthUnplugged Twitter: www.twitter.com/earthunplugged Google+: goo.gl/RKq6q www.youtube.com/user/EarthUnpluggedTV www.youtube.com/subscription_center?add_user=earthunpluggedtv This is a channel from BBC Worldwide who help fund new BBC programmes.