This is an interesting read, concerning the effects of anxiety, but also includes a few tips for combatting too much anxiety.  We experience anxiety for sound evolutionary purposes, but sometimes, for some, it can become too much, and have a detrimental influence both physically and mentally.

How we think about situations and changing our perspective can help reduce feelings of anxiety and relaxation techniques, like meditation can be helpful.  I help many of my clients with these and many other individual aspects of anxiety reduction, in my Brighton Hypnotherapy practice.  Allowing people to gain freedom from all unnecessary anxiety.

8 Fascinating Facts About Anxiety — PsyBlog.