One of the problems with aging is losing muscle tone in the neck area.
Now people age 18-39 are showing signs of sagging neck areas and jowls. Yes jowls aren't for old, grumpy people anymore. So why is this suddenly happening? Is it global warming, could it be bad diet, alcohol, drugs, Bill Cosby? It's none of those, even though I suppose if you eat too much pudding, you would get a turkey neck