2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/202727The status of several precisely measured electroweak parameters is reviewed. Natural relations among them are shown to constrain the Higgs mass, m_H, as well as various ``New Physics'' effects. Indications of an anomalous Zb anti-b coupling are discussed. Constraints on excited W^* bosons are given.19 pages, latexHigh Energy Physics - Phenomenologytext