Michael Mosley finds out just how much blood leeches can consume and their importance to modern medicine.
Subscribe to Earth Lab: http://bit.ly/SubscribeToEarthLab
Best Earth Lab videos http://bit.ly/EarthLabOriginals
Best of BBC Earth videos http://bit.ly/TheBestOfBBCEarthVideos
The Doctors Are In The House http://bit.ly/TheDoctorsAreInTheHouse
Best Of Earth Unplugged Videos http://bit.ly/BestOfEarthUnpluggedVideos
Infested: Living With Parasites
The connection between parasite and host is everywhere in nature. To reveal how this relationship works for both of us, Michael Mosley is going to systematically infect himself with six of the most extraordinary, powerful and surprising parasites of all.
Welcome to BBC Earth Lab! Here we answer all your curious questions about science in the world around you. If there’s a question you have that we haven’t yet answered let us know in the comments!
Want to share your views? Join our fan panel here: http://tinyurl.com/YouTube-BBCEarth-FanPanel
This is a channel from BBC Studios who help fund new BBC programmes.Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx