Is it true if you lose weight at a fast rate that your skin will sag ?

There are a lot of factors to consider with skin sagging.

Rapid weight loss, person's age, and the skins elasticity to name a few. Exercise can help with skin sagging but will not always prevent it.

& there is always plastic surgery. I'll take my sagging skin over being overweight and unhealthy any day.

It may be a contributing factor but like AJ said there are other things to take into consideration. Age, sex, genetics and most of all the amount of weight you need to be rid of. Also how long you carried the weight for is the main factor my dr said.

I just had a tummy tuck and the dr said no amount of exercise would have helped it from not sagging.