No sh** Sherlock! Of course they have a purpose. Every little atom in the strand has a purpose, and most of them we're unaware of (so far). Like an appendix, we may be able to live without it, but it was there for a purpose.
How can such "Doctors" and "Scientists" make such foolish assumptions just becuase they don't know what something does?
“How can such “Doctors” and “Scientists” make such foolish assumptions just becuase they don’t know what something does”
Ego.
If they don’t understand something then it doesn’t exist. Anyone who believes otherwise is a heretic and must be treated the fool.