Learn how to meditate or some form of deep relaxation. Meditation has many positive physiological and psychological benefits. Avoid foods to which you allergic. This is a key element in any anti-anxiety program. Eating foods that are bad for you causes intense anxiety or depressive symptoms.
Many people are allergic to grains, including wheat and corn, beans, and most dairy products.
Think of talking with a nutritionist about supplementing your diet with vitamins and minerals. Especially take B1, B2, B6, folic acid, vitamin C, and magnesium. These nutrients function to manufacture neurotransmitters. Selenium may even protect the neurotransmitters from damage. Zinc, B6, iodine, folic acid, and B12 are essential to the development and functioning of the nervous system.