There is an inherited fat condition, fat as in type of fat which is different to normal over eating fat...yes it exists! However although known about from the 1940's very little research was done on it and even today a lot of doctors and clinicians haven't heard of it and so not much is done for those who encounter these medics!
There isn't a cure for it and no prevention as it's an inherited condition or disease. It can come on at puberty, or when a woman is pregnant or has the menopause... The fat appears from the waist down, hips, legs not feet. It can occur in the arms too but the top half of the body is relatively of normal appearance, it doesn't affect the hands or face.
So, whilst people seem to label every obese person with a greed or love affair of food, perhaps people should maybe research fat diseases first because this is a real affliction and as you get older the lipo goes through stages and can stay with you into old age/death.
Just thought I would add this to the mix of answers and perhaps make some people more aware of other things.