The information above is very good. Animals that are being killed are scared to death and release adrenalin. Also good fats are needed to lubricate the brain, arteries and skin. Make sure to get omega-3 fats from someplace like flaxseeds. This is the one people do not get enough of. Also B vitamins are important to mental health and you may have a shortage of B-12. So get a B-12 supplement or a B complex supplement. Avocados, olive oil, nuts and seeds are sources of good fats. Also see this site below on Depression Self Help.

It has a link to a page on anxiety. It goes into great detail about what foods to avoid (which can make things worse) like refined sugar. Also see the page about enlightenment. It is about being happier. The more anxiety you have, the less happy you are. The happier you are, the less anxiety you have. Then you should also do things to lower stress and relax you, like sunbathing, hot baths, saunas, exercise, yoga, massages and meditation.