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My guess would be that that won't happen any more than limbs get regrown. Of course, my guess is pretty worthless. :)

Answer:

> Losing or gaining weight affects only the amount of fat stored in the cells, not the number of cells.

BUT

> Every year [..] 10 percent of your fat cells die [...] and are replaced with new fat cells.

So, fat people aren't at a disadvantage by having far more cells.

your skin certainly knows where and when to (re)grow...