Freedom from anxiety, stress, worry and self-doubt is available through meditation. Acting as a tool to activate areas of your own brain that reduce the negative reactive state, meditation allows you to regulate emotional responses in your mind and, in effect, your body.
Try this simple meditation known as "so hum" to calm and center yourself in any setting:
So Hum Meditation
Close your eyes and bring your awareness to your breath. For a few moments, take into account the point at your nostrils where you are inhaling and exhaling. As you inhale begin to silently say to yourself the word, "so". As you exhale, silently say to yourself the word, "hum". Each word is silently stated for the length of the entire breath. Every inhale is "so" and every exhale is "hum". Continue this for several breaths. When you are ready to complete the meditation, let go of the mantra and slowly open your eyes (or drift off to sleep if you practice this before bedtime).
"So Hum" is thought to be the sound of our own breath and is translated to "I am that". Pairing together the mind and breath, you are accessing regions of your brain and your nervous system that calm the senses. Practice regularly to liberate your mind and release tension.