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According to Reuters on 11/21/2018:

A global diabetes epidemic is fueling record demand for insulin, but tens of millions will not get the injections they need unless there is a dramatic improvement in access and affordability, a new study concludes.

Diabetes — which can lead to blindness, kidney failure, heart problems, neuropathic pain and amputations — now affects 9 percent of all adults worldwide, up from 5 percent in 1980.

The vast majority have Type 2 diabetes, the kind linked to obesity and lack of exercise, and cases are spreading particularly rapidly in the developing world as people adopt more Western, urban lifestyles.

Researchers said the amount of insulin needed to effectively treat Type 2 diabetes would rise by more than 20 percent over the next 12 years, but insulin would be beyond the reach of half of the 79 million Type 2 diabetics predicted to need it in 2030.

The shortfall is most acute in Africa, where the research team, led by Dr. Sanjay Basu from Stanford University, estimated that supply would have to rise sevenfold to treat at-risk patients who had reached the stage of requiring insulin to control their blood sugar. Their study was published Tuesday in The Lancet Diabetes & Endocrinology journal.

“These estimates suggest that current levels of insulin access are highly inadequate compared to projected need, particularly in Africa and Asia,” Basu said.

“Despite the U.N.’s commitment to treat noncommunicable diseases and ensure universal access to drugs for diabetes, across much of the world insulin is scarce and unnecessarily difficult for patients to access.”