
40% of American adults will develop type 2 diabetes in their lifetime
In the US, 2 in every 5 adults are expected to develop type 2 diabetes throughout their lifetime. This is according to a new study published in The Lancet Diabetes & Endocrinology.
Type 2 diabetes accounts for 90-95% of all diabetes cases in the US. Onset occurs when the body does not produce enough insulin, or the insulin that is produced does not function properly, causing abnormal blood glucose levels.
Diabetes prevalence has increased in recent years. In 2010, 25.8 million Americans had the condition, and this rose to 29.1 million by 2012.
However, the research team - led by Dr. Edward Gregg, chief of the Epidemiology and Statistics Branch, Division of Diabetes Translation at the Centers for Disease Control and Prevention (CDC) - notes that the mortality rate in US populations with and without diabetes has declined.
"The simultaneous changes in incidence and mortality warrant re-examination of lifetime risk of diabetes and life-years lost due to diabetes," say the researchers.
Lifetime risk of type 2 diabetes rises to 40% over 26 years
With this in mind, Dr. Gregg and colleagues analyzed data from the National Health Interview Survey (NHIS), which disclosed diabetes incidence in the US from 1985 to 2011. In addition, they assessed the death certificates of 598,216 adults.
All information was used to estimate the lifetime risk of diabetes in the US, as well as years of life lost to the condition.
The team found that for an average 20-year-old American, the lifetime risk of developing type 2 diabetes increased from 20% in 1985-89 to 40% in 2000-11 for men, while lifetime
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