Once, broke and depressed, I tried self treating with St. Johns wort. I read up on it on the web, and it seemed to be inexpensive, safe and have a real chance of being effective. I gave it a try, started taking the recommended dosage and, WHAM, went into a series of “O my god, it’s the end of the world, I’m gonna die” panic attacks, heart palpitations, chest pains, cold sweats. My primary care doctor couldn’t find any medical cause, but when I went to the psychologist I’ve seen for anxiety issues over the years, she immediately told me that in her experience St. Johns wort seemed like it did help with some types of depression, but was usually a disaster for depressed people who also suffered from anxiety disorders. I stopped taking it and life was much better. When it comes to herbal medicine the experience made a disbeliever out of me. I do seem to like to learn things the hard way.