Negative Feedback Loops

When attempting do demonstrate a negative feedback loop, do not assume it involves the techniques mentioned in the video above.

Instead, consider a negative feedback loop to be something like a blood sugar trend:

Here's Dr. Rood's blood sugar

The blood sugar levels jump, dip below normal, and return to normal levels.  This is a negative feedback loop, and it is usually considered healthy.  Like a pregnancy test, negative is usually a good thing.