2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49070I review our proof that long range forces induced by the exchange of massless neutrino-antineutrino pairs do not affect the stability of neutron stars.Latex + moriond.sty, 6 pages, 4 figures. Talk given by M.T. at the XXXIVnd Rencontres de Moriond: Electroweak Interactions and Unified TheoriesHigh Energy Physics - Phenomenologytext