When you were first conceived, you were a single cell. From this basic fact, we can extrapolate a few things, most especially that all the cells that make up your body today came (indirectly) from ...

Aging gracefully sounds great until real life happens and your skin, energy, and patience forget to stay on the ...

Your skin is in a constant state of reinvention. Every month, your body sheds and regenerates its entire outer layer—a complete turnover powered by tiny, tireless stem cells. These same cells spring ...

Aging is the process of getting older. In biology, aging refers to how, over time, the cells in our bodies wear out or get damaged. They no longer work as well as they used to. Some visible signs of ...

Why do immune cells that are supposed to eliminate viruses suddenly turn against our own body? There are instances where killer T cells—which are meant to precisely remove virus-infected ...

New research shows how a specially trained population of immune cells keeps the peace by preventing other immune cells from attacking their own. The study provides a better understanding of immune ...

The flu illness is triggered by influenza viruses, which enter the body through droplets and then infect cells. Researchers from Switzerland and Japan have now investigated the flu virus in minute ...

No matter where cancer cells grow in the human body, they are a threat to our health and our lives. But instead of treating them with chemotherapy or radiation - which have undesirable side effects - ...

Subcutaneous immunotherapy injections work the same way as their intravenous counterparts — by changing or enhancing a person’s immune responses to cancer. Immunotherapy for cancer is a broad category ...

People looking to lose weight and lower their blood sugar may someday be able to get a single injection that turns their cells into tiny factories churning out a protein that is essentially the active ...

Young sea urchins spread neuron-rich tissue across their bodies. A new atlas shows complex neural and light sensing networks.