About one in five people living in the U.S. suffer from an anxiety disorder, but it turns out that immune cells, rather than neurons, control your anxiety levels.

Fruit flies, mice, zebra fish, yeast and the tiny worm C. elegans are model organisms that have carried modern biology on their backs.Author Marc ...

Officials are going after metal-containing ingredients, including aluminum adjuvants. Here’s why vaccines need them ...

There is evidence that neurogenesis — the process of creating new neurons — is possible in adults with the stimulation of ...

Calling green fluorescent protein a model protein would also improve how biology is taught. Like classic model organisms, green fluorescent protein is safe and visual. It is also forgiving, producing ...

Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

Stimulating the liver to generate signals normally produced by the thymus can reverse age-related declines in T-cell populations.

Deep in our cells, a wide range of processes are occurring constantly. These cellular processes rely on enzymes to act as catalysts and set off a series of molecular interactions. There are still many ...

A diagnosis of Kaposi sarcoma is a significant life event, but it is a manageable condition. Because KS is so closely linked ...

A virus that is big enough to be seen under an ordinary light microscope co-opts its host’s systems with the help of ...