6 days ago · In this special episode, Blood editor Dr. Laura Michaelis interviews Dr. Arielle Langer and Blood Associate editor Dr. Marc Blondon for this special Maternal Health episode.

Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells, and transports metabolic …

Nov 7, 2025 · Blood is a fluid that transports oxygen and nutrients to cells and carries away carbon dioxide and other waste products. It contains specialized cells that serve particular …

Nov 28, 2025 · Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body. Since some …

Blood is a specialized fluid that constantly flows throughout your body. It’s made of plasma, red blood cells, white blood cells and platelets.

Detailed information on blood, including components of blood, functions of blood cells and common blood tests.

It has four main components: plasma, red blood cells, white blood cells, and platelets. The blood that runs through the veins, arteries, and capillaries is known as whole blood—a mixture of …

Apr 15, 2025 · Blood tests can help a doctor diagnose a variety of health conditions, including infections, anemia, high cholesterol, vitamin deficiencies, organ failure, HIV, cancer, and …

Nov 23, 2025 · The ABO system has four major blood types: A, B, AB, and O. Blood types are further categorized by the presence (positive or +) or absence (negative or -) of the Rh (D) …

Nov 19, 2025 · Confused by your blood work? Learn what common tests measure, how to interpret your results, and when to follow up with your healthcare provider.