This paper discusses boron and its application in cancer treatment using Boron Neutron Capture Therapy (BNCT). BNCT involves injecting a boron compound that selectively attaches to cancer cells, then irradiating with neutrons. This causes the boron-10 isotope to absorb neutrons and produce lithium and alpha particles that destroy the cancer cells while leaving healthy cells unharmed. The paper outlines the extraction of boron, the rationale and advantages of BNCT, and the working procedure where boron is injected and neutrons applied to destroy cancer selectively through nuclear reactions.