When you first get your braces on, your teeth will hurt for a few days, as they will every time you get your braces tightened or your wires changed.
Always follow the recommended dosage and check with your doctor first if you are taking other medication. Kava kava (piper methysticum). The effectiveness of Kava in anxiety conditions has been proven in clinical studies. It appears from research that it may have a directly soothing effect on the amygdala (the main part of the brain involved in the fear response) and this makes it a particularly useful herb for anxiety problems.
There are many herbal supplements that claim to fight stress. One of the best studied is St. John's wort, which has shown benefits for people with mild to moderate depression. Although more research is needed, the herb also appears to reduce symptoms of anxiety and PMS.