ALGODONES, MEXICO-MARCH 22: A nurse checks the drips for American patients undergoing chelation therapy at Dr. Medina's clinic March 22, 2005 in Algodones. The controversial therapy in which EDTA (ethylene diamine tetracetic acid) is used to remove toxic metal from the system to clear blocked arteries. ©Radhika Chalasani
Radhika Chalasani