Acetylcholine regulates blood flow, but the source of blood acetylcholine has been unclear. Now, researchers have discovered that certain T cells in human blood can produce acetylcholine, which may ...

For the first time, researchers have successfully connected a functioning liver from a genetically modified pig to a human body.* In a step toward testing the procedure in living people, a team at the ...

A new study published in the International Journal of Molecular Sciences discusses the impact of herpes, influenza, hepatitis, human immunodeficiency virus (HIV), the severe acute respiratory syndrome ...

Hidden within our bones, marrow sustains life by producing billions of blood cells daily, from oxygen-carrying red cells to immune-boosting white cells. This vital function is often disrupted in ...

Objectives Bone lead and past blood lead levels may be more strongly associated with current health effects than current blood lead, representing recent exposure. We examined whether current bone lead ...

Previous research suggested that anger can increase people's risk of heart attacks. In the new study, researchers found that part of the reason why could be that anger briefly reduces blood vessels' ...