Chapter Leader: M.D. Luz Rivera Herrera, occupational Health Manager, Hunt Resources Consulting, Pedro Ruiz Gallo y Las Torres 131, CP 04100, Lima, Peru. Email: lrivera@imgaperu.org Chapter vice-Chair for medical Sciences. Bio. Dennis Carhuaricra Huamán, Biology and Molecular Genetic Laboratory, Universidad Nacional Mayor de San Marcos, Cercado de Lima, CP 15021, Peru. Email: dcarhuaricra@imgaperu.org Chapter vice-Chair for geological Sciences. MSc. Harold Villena, Chief Geologist of Modeling and Mineral Resources, Los Andes Peru Gold Mining Company, 1420 La Encalada Street, Surco, Peru. Email: hvillena@imgaperu.org