Bone marrow donation is a powerful act of compassion that gives patients battling life-threatening illnesses—such as leukemia, lymphoma, and other blood or immune disorders—a crucial chance at survival. While both men and women can donate, males are widely considered ideal bone marrow donors due to specific biological, medical, and clinical advantages that significantly improve transplant outcomes. This article explores why male donors are highly preferred, the science behind their importance, and how more men can step forward to help save lives.