Is donating blood good for your health?

Every year, thousands of lives are saved thanks to one critical resource: donated blood. In emergencies like accidents, childbirth, or major surgeries, blood transfusions are often the only lifeline. Yet despite medical advances, there is still no substitute for human blood. Now, research shows how donating blood can have health benefits for regular donors — from improved immune response to lower blood pressure.

For more on this series, follow this link.