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.
Chamomile is also popular for anxiety in children. Fennel. Fennel isn't for anxiety specifically, but it is linked to treating some of the most common symptoms of anxiety, including digestion, coughing (many with anxiety have a nervous cough), and asthma (anxiety can exacerbate asthma symptoms).
valerian is an herb that people have used for centuries for anxiety and as a sleep aid it is also used to ease menstrual and stomach cramps it comes from the root of the valerian plant found in areas of north america europe and asia