Bite into that bread before your main meal, and you'll spike your blood sugar and amp up your appetite. Waiting until the end of your dinner to nosh on bread can blunt those effects. iStockphoto hide caption

itoggle caption iStockphoto

Psyched that it's finally spring? Shifts in the season may affect more than your mood. Corbis hide caption

itoggle caption Corbis

A mock-up of a warning label for sodas and sugary drinks proposed in California by public health advocates. California Center for Public Health Advocacy hide caption

itoggle caption California Center for Public Health Advocacy

Beginning April 1, all sugary beverages and food of "minimal-to-no nutritional value" sold on the Navajo reservation will incur an additional 2-cent tax. April Sorrow/Flickr hide caption

itoggle caption April Sorrow/Flickr

Johnny Reynolds ignored diabetes symptoms and put off going to the doctor for years when he didn't have health insurance. He was afraid he couldn't afford treatment. Anders Kelto/NPR hide caption

itoggle caption Anders Kelto/NPR

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