Fat

I have to admit it: I binge watch television shows on morbid obesity.
I just never found I understood what all that was about. The site for Dr Nowzaradan, bariatric surgeon in Houston Texas, has explained to me something very basic, which I find enlightening. Below:

Now that is clear: body fat is metabolically inert tissue, like too much junky clothes in
one's wardrobe, and one does - joking aside - end up with nothing to wear.

The site goes on:

And when I crash diet, I risk ending up with thinning hair.

Finally, clarity!

http://www.drnowmd.com/hos/Pages/ObesityFactsPages/DefinitionsOfObesity.html