The team used human stem cells to create embryo-like structures dubbed “hematoids” that mirror some features of early human ...

As age increases, the pancreas changes, which increases the risk of metabolic diseases such as type 2 diabetes, digestive ...

Scientists have discovered a method to induce human endothelial cells from a small biopsy sample to multiply in the ...

For years, scientists have known that the anti-aging hormone klotho, infusions of young blood, and exercise each improve brain function in older mice. But they didn’t know why. Now, two UC San ...

Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

An NIH-supported initiative seeks to unravel how the nervous system tracks and regulates the body’s internal organs. How does ...

Doctors in China say they transplanted a genetically modified pig liver into a 71-year-old man who lived 171 days after the ...