The book provides practical, science-backed techniques to activate this nerve. Cold exposure, such as finishing a shower with thirty seconds of freezing water, is highlighted as a powerful way to "reset" the system. Deep, diaphragmatic breathing is another essential tool; by slowing the breath and focusing on long exhalations, you signal to your brain that you are safe. Valenzuela also touches on the importance of social connection and laughter, which naturally stimulate the nerve endings in the throat and chest.
Referencias para ampliar (mencionadas en la obra de Valenzuela o afines): Estimula tu nervio vago - Antonio Valenzuela.epub