Lows can cause any complications or disease?

I HAVE JUST READ AN ARTICLE BY DOCTOR .HE SAID THAT LOWS CAN CAUSE KIDNEY AND LIVER CANCER....COULD U PEOPLE TELL ME IS THIS KIND OF RUMOR FOR BUISSNESS DEAL BY DOCTOR.

having uncontrolled bloodsugar levels(whether too high or too low) can cause complications, such as kidney diease.

Can you post a link to the article, or provide a reference? Sometimes a good way to evaluate information is to examine the source it came from.