There are different and most logical definitions of anxiety in medical history as lots of researches have been done by approved and authorized medical agencies. In simple language when you’re feeling and thinking automatically change into fear and you feel scared all the time but you don't know what is the reason that may be an indication that you are into anxiety or depression.

What Are Type of panic Attacks- Actually anxiety, depression, and panic attacks all are concerned with each other or we can say that when some suffered for a long time from anxiety and depression it may be one cause of panic attacks. click on the given link for more information.