Stress can cause anyone to feel anxious. Whether anxiety is minimal or severe depends on each person. In times of stress, it is common and acceptable for people's voices to weaken. Stressed speakers may contract the muscles used to produce speech, increasing the pitch of their voice. This usually wouldn't happen in a stress-free situation. Generally, when stressed, people speak more quickly. This sometimes causes them to stumble over words or get stuck on a syllable. Most often, they tend to repeat words or phrases as they struggle to speak, present, etc. under stress. Another common “symptom” of stressful situations is the addition of interjections, such as “like,” “uh,” and “uh” during speech. These are considered normal and acceptable dysfluencies. The simple task of saying colors in front of an audience was used as a study. They found that under stress, pressure, anxiety and everything else experienced during public speaking, non-stutterers went from zero percent dysfluency to four percent. On the other hand, those who stuttered normally had 1-9% dysfluency. (Perkins) An interesting fact is that people who stutter are able to speak normally to babies, children and animals. These audiences are non-threatening and the speaker is at ease. It is also common for people who stutter to speak out loud to themselves with little or no