It is normal for people to occasionally experience anxiety, a feeling of uneasiness usually as a response to fear. But when anxiety takes over your life, it can take a toll on your health and happiness.

Some people are afraid of snakes or heights or plane crashes. For people with telephobia, a phone call is a big fat "no-can-do."

There's even a scientific term for people with bathroom anxiety who devise strategies, find secret spots or just head home when going in public is too overwhelming.

You're headed down in a packed elevator on your way to lunch. Suddenly, the elevator lurches to a stop. As the sweats starts beading on your upper lip, you wonder if it just got harder to breathe.

Millions across the world are affected by mental disorders. Whether they affect a loved one or a co-worker, mental disorders touch the lives of countless millions. This gallery will show which disorders are the most prevalent.

Out of nowhere you feel absolute terror. Your heart races and you're frantic for your breath. Everything seems unreal. Are you losing your mind? No, you're having a panic attack.

Depression and anxiety are probably something that every human being has experienced at some time. Learn more about these feelings and the alternative treatments that are available for them.

Post-traumatic stress disorder can affect anyone who has had a life-threatening or other emotionally traumatic experience. Find out what you need to know about PTSD in this article.

Post-traumatic stress disorder (PTSD), affecting over five million adults nationwide each year, is seen not only in war veterans, but also in disaster victims and anyone who's suffered a traumatic experience. Learn more about PTSD.

What are some of the causes of headaches? Take a look into the causes of headaches and the nutritional remedies you can use to treat these types of pains.

Do you know the common signs of anxiety and signs of anxiety attacks? Find out the common signs of anxiety and anxiety attacks at HowStuffWorks.

If you suffer from a form of anxiety disorder, you can get help from anxiety disorder support organizations. Check out a list of organizations that help you overcome your anxiety.

Anxiety disorders are serious illnesses that fill people's lives with overwhelming anxiety and fear. Check out this guide to anxiety disorders from HowStuffWorks.

If you are unable to relax, have difficulty concentrating, and startle more easily than others, these might be signs of generalized anxiety disorder. Check out facts and treatment options for generalized anxiety disorder.

If you suffer from chronic anxiety, a visit to a physician to discuss possible treatments. Check out tips on how to get support for anxiety disorders.

Brain disorders, like anxiety disorders, are complex, but research plays a major role in helping us gain greater understanding and develop more effective methods of treatment. Check out

If you suffer from an anxiety disorder, having a solid strategy can help you treat your anxiety more effectively. Learn about self-help groups, family support, and aerobic exercise as great strategies for dealing with anxiety disorders.

Many healthy people can identify with some of the symptoms of OCD, but for people with OCD, the simplest activities very distressing, and interfere with daily life. Check out common symptoms and effects of obsessive-compulsive disorder.

Panic attacks can interrupt your everyday life, but treatment might help decrease your attacks. Learn more about panic attacks from HowStuffWorks.

Frightening thoughts are emotional numbness a common signs of post traumatic stress disorder. Check out more symptoms and treatments for post-traumatic stress disorder.

If you suffer from social phobia, you may be afraid of being around people in social settings. Check out common symptoms and treatment for social phobias.

If you have extreme fear of a particular thing such as closed-in places, heights, or water, you might have a specific phobia.

If you have recently been diagnosed with an anxiety disorder, medication or psychotherapy might help you overcome your illness. Check out medications and other treatment options for anxiety disorders.