Oncology & Cancer

New immune system understanding may help doctors target cancer

Your immune system's natural killer cells recognize and attack two major kinds of danger—cells infected by viruses and cells affected by cancer. When natural killer (NK) cells see a cancer cell, they kill it (naturally...). ...

Diabetes

Discovery paves the way for earlier detection of type 1 disease

Type 1 diabetes, an autoimmune disease that typically emerges before the age of 20, wipes out the body's ability to produce insulin—a hormone that's essential to life. Diagnosis often comes after symptoms arise, at which ...

Medical research

New clues on stem cell transplant rejection revealed in study

In 2006, scientists discovered a way to "reprogram" mature cells—adult skin cells, for example—into stem cells that could, in principle, give rise to any tissue or organ in the body. Many assumed it was only a matter ...

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