Is this why stress has you catching every cold?
Stress ages bone marrow stem cells via the gut, a new study in mice suggests. Stress may affect bone marrow and immunity via the gut Researchers have mapped a new biological pathway connecting psychological stress to aging blood-forming stem cells that runs through the gut . In a study published in Cell Stem Cell , a team at Sun Yat-sen University in China put mice through chronic psychological stress and tracked their hematopoietic stem cells (HSCs), the cells in bone marrow that generate the entire blood and immune system . Stress weakened the mice’s HSCs...
