Why the drop for nerve health?

So ever since I got the body comp scales when I first launched, my nerve health has consistently been in the middle of the green area. Curious what might be behind this sudden dip/other people’s experiences on this?

So ever since I got the body comp scales when I first launched, my nerve health has consistently been in the middle of the green area. Curious what might be behind this sudden dip/other people’s experiences on this?