Measuring how the heart rests between heartbeats and the force of blood against the walls of one's arteries is what blood pressure is all about.

People with Down syndrome face a higher risk of developing leukemia. Now researchers explain why, by identifying specific changes in blood cells of people with Down syndrome.

Human-made chemicals called PFAS alter pathways needed for human growth and development, according to a recent study analyzing blood samples from young children, teens and young adults.

Scientists Find the Strong Emotion Impacts How Blood Vessels Function The results could even help explain why stress from anger may trigger a heart attack Will Sullivan - Daily Correspondent May 2 ...