Archive for the ‘THE ALARMING INCREASE IN THE PREVALENCE OF TYPE 2 DIABETES’ Category
The alarming increase in the prevalence of type 2 diabetes and prediabetes is accompanied by a comparable increase in the number of overweight (BMI > 25kg/m2) or obese (BMI > 30kg/m2) people. In 1991, 12.3% of the U.S. population was obese and 45% was overweight. These rates rose to 19.8% and 56.4%, respectively, by 2000. Thus, over 75% of the U.S. adult population was overweight in 2000, and over 25% had altered glucose metabolism. Similar trends are seen in people under 18 years of age, and type 2 diabetes is now recognized with increased frequency in overweight or obese children and adolescents.
The prevalence of type 2 diabetes is higher among African Americans, Hispanic Americans, Mexican Americans, and Native Born Americans compared with Caucasians. Increases in the U.S. pppulation of some of these ethnic groups have contributed to the overall rise in prevalence of diabetes in the U.S. in the past decade. Thus, the trends shown in older surveys are likely to be magnified with modern data.
Estimates of the prevalence of type 1 diabetes in the U.S. are about 1.7 per 1000 people aged 1-19, and about 1.2 per 1000 people of all ages. In 2000, this suggests close to 350,000 people with type 1 diabetes in the U.S. Other estimates suggest that the prevalence is about 0.3% of adults over the age of 30, or close to 500,000 older people with type 1 diabetes in 2000. In any case, relative to type 2 diabetes, type 1 is a rare disease and probably accounts for less than 5% of the entire population
of close to 20 million people with diabetes in the U.S. However, there are about 30,000 new cases of type 1 diabetes each year, and it is said to be the most frequent chronic childhood disease.
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