You think it's the flu, but could a parasite be to blame for your illness? Dr. Oz investigates the warning signs your doctor could be missing and what you can do about it.
View Part 1 of Are Parasites the Real Reason You're Sick?
View Part 3 of Are Parasites the Real Reason You're Sick?
Learn why doctors don't always diagnose parasites.
© 2013 Harpo, Inc. All rights reserved.
In partnership with