A lot of people think yellow or green snot means you need an antibiotic. That is not true. Laura Martin, MD, MPH If it's a viral infection causing the yellow or green snot, yellow in particular is ...

It comprises cells, amniotic fluid, bile, and mucus the baby ingested in the ... The color should gradually change from black to dark green, then yellow. After 1 week of life, the stool should ...

Green mucus results from an intensified immune response. The green tint comes from an enzyme called myeloperoxidase, which is produced by neutrophils (a type of white blood cell). This enzyme ...