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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.

Scientists Coax Human Embryonic Stem Cells Into Making Insulin

Researchers have found a way to mass- produce the pancreatic cells that are insulin factories inside the body. The findings could eventually lead to treatments that would transform diabetes care.

Rick Rayburn leads his wife, Marianne, to the kitchen so they can prepare dinner together. She does simple tasks like stirring the soup.

As A Husband Becomes Caregiver To His Wife, A Marriage Evolves

Rick Rayburn became a full-time caregiver to Marianne, his wife of 42 years, after she developed dementia. She may not be the woman he married, but he says she's helping him become a better husband.

An ambulance departs Dobbins Air Reserve Base in Marietta, Ga., Saturday. Dr. Kent Brantly, an American infected with the Ebola virus, was transferred to Emory University Hospital in Atlanta today.

First Ebola Patient Has Arrived In U.S. From Liberia

The first of two American aid workers infected with the deadly Ebola virus in Liberia arrived in Atlanta today to begin treatment.

She's a mother talking to another mother — and both are HIV-positive. That's the mentoring role played by Phelokazi Tinzi, who works for mothers2mothers in South Africa.

A Happy Marriage, A Terrible Secret, A Healthy Baby

They were married in South Africa. The next day, he told his bride he was HIV positive. Soon after, she tested positive. And she thought nothing in her life would ever go right.

Why Scratching Makes You Itch More

Turns out your mom was right: Scratching an itch only makes it worse. New research from scientists at Washington University School of Medicine in St.…

James Lee carries his son, Justin, to the shower. Justin's parents have a lift to help move him around the house, but their nearly 100-pound son, who has cerebral palsy, often needs to be picked up.

Faith Strengthens Aging Parents As They Care For Their Son

Judy and James Lee's lives revolve around providing 24-hour care to their 16-year-old son. As they get older, they worry about who will eventually take care of him.

One of the scariest parts of advanced macular degeneration can be losing the ability to read facial expressions.

A Coping Plan Can Help Fend Off Depression From Vision Loss

About 25 percent of people with macular degeneration in both eyes develop clinical depression. But developing strategies for staying engaged in passions and people may cut that risk by more than half.

Opioids And A Teddy Bear: Ten Years Of Drug Court

At first glance, the people inside Franklin County Municipal Court room 13C have little in common. There’s a man in cutoff jean shorts with tattooed arms.…

Med School Classes Are Growing - But That Doesn't Mean More Doctors For Indiana

On Sunday, Marian University in Indianapolis graduated its first-ever medical school class, handing out 133 Doctor of Osteopathic Medicine degrees. Next…

Martin Shkreli was CEO of Turing Pharmaceuticals when the company boosted the price of a drug by 5,000 percent. He has since resigned.

A Peek Inside Turing Pharmaceuticals: 'Another $7.2 Million. Pow!'

Congressional investigators have pried loose emails showing how the company's executives anticipated huge profits from a 5,000 percent drug price increase. They were blindsided by the blowback.

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