The use of MRIs is showing that some people, although looking "slim", (that is no apparent excess fat), are in fact "fat" on the inside. Certain body types, especially with a poor restricted diet and limited excercise, store unhealthy amounts on fat internally. Litres of fat can be around the heart, kidneys, pancreas and other places internally, yet further dieting alone will not really get rid of this and many people are walking around thinking they are healhty when they are not (Professor Bell MRCC Hammersmith). Only a MRI scan will really show this but some other warning signs are if you have ever yo-yo'ed badly with diets and you dont have much of a pronounced waist, even though it it not fat in traditional terms. Most healthy females have about 1 litre of fat but some women who looked really healthy and had BMI of 19, were found to have almost 3 litres of internal fat and stressing the internals of the body.
If you tend to be apple shaped, are between 20 and 30, have crash yo-yo dieted, have a poor diet and keep your weight down with this poor diet alone, stress, smoke, drink, dont take much excercise and have a large (but not fleshy waist), then you might have this problem. As I have said before, a lot of what ones body is all about, lies in ones genetics. I happen to be lucky in that I am naturally slim with a small waist and I do actually have trouble putting in weight and (dont want to kill me for saying that). For others though, if they are not naturally like this, then yo-yo dieting, poor diet, lack of excercise, smoking, can all lead to a lack of external bulges, but may be storing up problems inside.
As an aside, waist sizes have exploded in the last 50 years going up a whole 6 inches compared with about 2 for bust and hips. As a model, I and others seem to be increasinglly out on a limb having a 23/4 inch waist as people in the street have more like 27+ with 30 being an average over the whole female group?
I attach the article here which is very interesting although poorly written in some areas. If it is unreadable, mail me and I will try and mail the original to you.
Ali
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