Exactly what you read, that useless organ may now have a purpose.
For generations the appendix has been dismissed as superfluous. Doctors figured it had no function. Surgeons removed them routinely. People live fine without them.
Now, some scientists think they have figured out the real job of the troublesome and seemingly useless appendix: It produces and protects good germs for your gut.
'A good safe house' they say, the worm-shaped organ outgrowth acts like a bacteria factory, cultivating the good germs as well as protect them.

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>Via: MSNBC