Historically, a mantra is a word with spiritual significance in Hindu culture. In general, a mantra is a syllable or word without meaning that you focus on while meditating in order to achieve a deep state of relaxation. This method is used in Transcendental Meditation and it has been shown to be a very effective technique. According to the teachings of Transcendental Meditation, thinking a mantra helps you focus your attention inwardly. Regular meditation has been shown to help eliminate irritability, even reducing blood pressure. Benefits are numerous and its affects are lasting, as meditation has been known to mitigate the body’s reaction after a stressful event.