Some promising research is being done to help treat dogs suffering from arthritis. It’s centered around using stem cells and is being introduced by a San Diego company. Tuba was rescued by his now wonderful owners and they believe him to be about 10 years old. He suffers from some serious arthritis that makes it hard to walk at times….

Dozens of children have lost their stem cells after a freezer at Children’s Hospital Los Angeles malfunctioned and destroyed their samples, according to the hospital.

A medical mishap at Children’s Hospital Los Angeles leaves dozens of patients afraid and angry. Robert Kovacik reports on NBC4 News at 11 p.m. on Sept. 25, 2019.

A disabled veteran said he was duped by a health center after spending thousands after they diagnosed him with a disease he doesn’t have. Carolyn Johnson reports for the NBC4 News at 5 p.m. on Wednesday, Sept. 25, 2019.

The birth of a southern white rhino at the San Diego Zoo Safari Park may allow scientists to save the species on the brink of extinction.

Federal prosecutors in California and Florida sued on Wednesday to stop two companies from providing stem cell treatments, alleging the clinics marketed their procedures as remedies for ailments including cancer and heart disease without proof of safety and efficacy.

Zookeepers are mourning the loss of a beloved southern white rhinoceros named Chuck who passed away at the San Diego Zoo Safari Park Friday.

At Jef Boeke’s lab, you can whiff an odor that seems out of place, as if they were baking bread here. But he and his colleagues are cooking up something else altogether: yeast that works with chunks of man-made DNA. Scientists have long been able to make specific changes in the DNA code. Now, they’re taking the more radical step...

At Jef Boeke’s lab, you can whiff an odor that seems out of place, as if they were baking bread here. But he and his colleagues are cooking up something else altogether: yeast that works with chunks of man-made DNA. Scientists have long been able to make specific changes in the DNA code. Now, they’re taking the more radical step...

A SpaceX Dragon capsule that brought supplies to the International Space Station splashed down as planned in the Pacific Ocean. NASA Astronaut Jack Fischer captured a stunning photo of the SpaceX Dragon as it hurtled toward the Pacific Ocean on a supply run from the space station

Scientists have grown human cells inside pig embryos, a very early step toward the goal of growing livers and other human organs in animals to transplant into people. The cells made up just a tiny part of each embryo, and the embryos were grown for only a few weeks, researchers reported Thursday. Such human-animal research has raised ethical concerns. The...

TNT’s beloved basketball broadcaster Craig Sager died Thursday after a long battle with leukemia. He was 65.

TNT’s beloved basketball broadcaster received a rare third bone marrow transplant on Wednesday to fight an aggressive form of leukemia. The 65-year-old Sager has battled acute myeloid leukemia since 2014 and announced in March he was no longer in remission.

It’s a medical breakthrough that is even surprising doctors: chronic stroke patients with little hope for recovery suddenly talking and walking again. Stanford researchers say a new stem cell experiment is transforming lives.

Study shows stem cells used to treat heart attacks may also help children with muscular dystrophy. Dr. Bruce Hensel reports for the NBC4 News at 5 on Monday, Nov. 17, 2014.

Doctors at the American Heart Association’s Scientific Sessions announced a potential breakthrough Monday, asserting that stem cells used to treat heart attacks may also help kids with muscular dystrophy.