This unit covers the role of metals in medicine, including metal deficiency, toxicity, diagnosis, and anticancer drugs. It also introduces enzymes, cofactors, coenzymes, and metalloenzymes, with emphasis on Vitamin B₁₂ as a coenzyme.

Key areas covered:

  • Metal deficiency and metal-related diseases
  • Toxic effects of metals on biological systems
  • Metals in medical diagnosis
  • Metal-based chemotherapy and anticancer drugs
  • Basic concepts of enzymes, enzyme components and mechanism
  • Vitamin B₁₂ (cobalamin): structure, coordination chemistry and biological role