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Weight is a really amazing risk factor for diabetes, but it’s not simple either. First off, let’s be clear, being fat does not cause diabetes. If it did, half the nation would have diabetes, because right now, half the nation is seriously overweight. In point of fact, about 10% of the nation has diabetes, so 80% of overweight people have ducked the bullet.
But please set down the Twinkie. I’m not done yet. If you’ve got a genetic pre-disposition for diabetes, the two most common triggers are age and weight. It used to be that Type-2 diabetes showed up around 40 years of age. The reason for that is that 40 seemed to be that magic tipping point of enough age combined with having been married long enough to get sloppy about one’s weight (of course no one noticed they were getting heavy, they just thought that their spouse was shrinking their pants in the laundry).
But now we are seeing a fascinating and scary trend. People are getting T-2 diabetes earlier and earlier. Why? Because people are getting fatter and fatter and earlier and earlier ages.
We now have cases of children developing full blow T-2 diabetes at ages as young as 9. What makes this triple-scary is that they need to live with diabetes for a longer time period, and for some reason early onset seems to trigger a more aggressive form of the disease. Some experts believe that pre-teens diagnosed with T-2 will pre-decease their parents.
And before we close, quickly back to the “genetic predisposition,” don’t think that you are risk-free for diabetes just because no one in your family tree ever had it. Every human ever born is the joining to two family trees. Just because your mother didn’t have diabetes and just because you father didn’t have diabetes doesn’t mean that something new won’t cop up when mixing the two sets of genes.
Skyrocketing rates of diabetes are directly linked to America's burgeoning waistline. More than 85% of people with type 2 diabetes are overweight, according to the National Institutes of Health. It's not clear why being overweight boosts diabetes risk, but experts suspect extra pounds -- especially belly fat -- make body cells resist the hormone insulin, which carries glucose in the blood to cells to use as energy. When you develop insulin resistance, cells can't take up the glucose, resulting in high blood sugar levels.
Being overweight or obese is a leading risk factor for type 2 diabetes. Being overweight can keep your body from making and using insulin properly, and can also cause high blood pressure.
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Another aspect of weight and diabetes: Sometimes when a person has had elevated blood glucose levels for a while, they begin to lose weight. Their body is not able to use the energy from their food. Often, when the person's blood sugars begin to come down (maybe through diet, exercise, medication, insulin), they regain some of the weight that was lost. This is not necessarily bad in that it means the body is beginning to work normally again.
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