Why do immune cells that are supposed to eliminate viruses suddenly turn against our own body? There are instances where ...

Spaceflight rewires the human body. Muscles shrink, bones thin and fluids shift towards the brain – but these changes may ...

Those silver strands could be an outward sign of the body’s own intricate defences against cancer, a recent study in mice has ...

How do stem cells know what to become? Nearly three decades after scientists isolated the first human embryonic stem cells, researchers are still working hard to understand precisely how a single, ...

Scientists have long been intrigued by the ability of flatworms to regenerate complete bodies from small fragments of tissue. The underlying mechanisms behind this process have remained relatively ...

Scientists said on Monday they had taken a first step towards being able to control stem cells -- master cells that have the ability to become any kind of cell in the body. Doctors hope one day these ...

The circadian clock helps regulate important functions like sleep, metabolism, hormones, and even the immune system. But when this clock is out of sync—such as from shift work, poor sleep, or ...

Everyone knows that the fall brings flu season, replete with aches, pains and a new version of the vaccine. But why is cold ...

Scientists say they need better access to human brain tissue to understand how dementia, Alzheimer's, epilepsy, autism, multiple sclerosis and other brain conditions develop over time.Being able to ...

Scientists are exploring leading-edge technologies that could transform how cancer is studied, detected and treated by catching it earlier, when it's more treatable and survival rates are highest.

The slime coating frog bodies could hold the key to fighting infections, healings wounds and even curing cancer ...

Your body maintains a biological “set point” for weight, beyond calories, through powerful hormonal and neural feedback loops ...