Anxiety is a feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome. 40 million adults in the United States (18 percent) are affected by anxiety. There are three different signs of having an anxiety disorder; thoughts, physical sensations, and behaviors. Your thoughts can be a symptom of anxiety. Your brain often likes to make things up. The most common two words of someone who suffers from anxiety is "What if?". Also, people want to try to correct their anxious thoughts which becomes the problem. Some of the physical sensations that people get when their experiencing anxiety is their heart either skips, beats faster/slower, or gets louder. Pain, or heaviness in the chest, sweating, blushing, feeling weak, trembling of the body, numbness, voice crackling or trembling, impaired breathing, upset stomach, and feeling like you're no longer inside your body. Behaviors could create anxiety symptoms. Treatments for anxiety include medication or therapy. Some treatment may be difficult depending on if the person has more than one anxiety disorder or if the person has any other mental illness. There are many different websites that someone could use if they want to learn more about anxiety or they could go to a doctor.