Straight Answer 2 - Stop being "creepy" in your ads.

Want new patient leads for a few dollars each?  You need ad targeting focus. 

Most people assume they are targeting their Facebook ads just fine. Unfortunately,
there is a deadly mistake most marketers make when targeting that can cost you
half your budget.

I call it “targeting creep.”

This is a true pro-level tip and I've never seen this point covered anywhere else.
I just shot a video covering it.  Watch it before your next ad runs!