A nurse in 1938 checks the amount of insulin in a needle. For many decades, the only insulin available to people with diabetes came from the pancreases of cattle or pigs. Insulin from animals is still available outside the U.S. — and cheaper than a recombinant DNA version. Bettmann/Corbis hide caption

itoggle caption Bettmann/Corbis

Ella Barnes-Williams visits the thrift shop associated with Martha's Table, a nonprofit social services organization in Washington, D.C. Anders Kelto/NPR hide caption

itoggle caption Anders Kelto/NPR

Indian sand artist Sudersan Pattnaik touches up his sculpture for World No Tobacco Day at Golden Sea Beach in Puri, India. Asit Kumar/AFP/Getty Images hide caption

itoggle caption Asit Kumar/AFP/Getty Images

The majority of voters in San Francisco and Berkeley, Calif., voted in favor of a soda tax, but the measure didn't gain the required two-thirds majority required in San Francisco. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Domitilia, 57, is a diabetic patient in the Dominican Republic who contracted tuberculosis. She's now cured of TB after two years of treatment. Javier Galeano/The Union hide caption

itoggle caption Javier Galeano/The Union

Insulin is produced by the green cells that are in clusters about the same size as the islets in the human pancreas. The red cells are producing another metabolic hormone, glucagon, that prevents low blood sugar. Harvard University hide caption

itoggle caption Harvard University

Young poets Monica Mendoza (clockwise from top left), Erica Sheppard McMath, Obasi Davis and Gabriel Cortez have written about how Type 2 diabetes affects their families and communities. Courtesy of The Bigger Picture hide caption

itoggle caption Courtesy of The Bigger Picture

Miss Idaho Sierra Sandison, shown here in her home town of Twin Falls, Idaho, decided not to hide the insulin pump she wears to treat Type 1 diabetes during the pageant. Photo illustration by Drew Nash/Courtesy of Times News hide caption

itoggle caption Photo illustration by Drew Nash/Courtesy of Times News