The modern world is full of situations and circumstances that can create an anxious response in a person. Such influences are not necessarily recent: the fear of a threat of physical harm, to oneself, one's family or loved ones, for example, has impacted people since the dawn of humanity. Others, such as financial worries, fear of crime, unemployment and so on, are certainly more recent concerns. It is unlikely, for example, that a cave dweller would have been overly concerned about an increase in banks' base lending rate. Many of the causes of anxiety are a combination of external (environmental) factors and internal (mental or perceived) causes. It is important to understand that different individuals respond differently and it is quite possible for a person to feel threatened and in danger of their lives. losing control of a situation that another person may not even recognize as a problem. The sense of threat and/or loss of control are both significant factors in creating anxiety. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an Original Essay So being in a stressful situation that you don't fully understand, and then feeling unsure about how to evaluate or handle it, can be very troubling. Strange environments can often be a cause of anxiety for this reason, as can demands that you feel ill-equipped or unequipped to handle. Responses to stimuli that cause anxiety can take many forms, which vary from individual to individual and depending on the nature of the stimulus. The resulting feelings of anxiety can be acute or chronic, short-term or long-term, and an individual's response will vary accordingly. Even fairly mild anxiety can bring with it physical symptoms ranging from a sense of "shaking", shortness of breath, sweating, hyperactivity, nervous tics, nausea and so on. The “perceptual narrowing” I talked about earlier can also come into play in play, making it difficult for the individual to focus on anything other than current concerns and inhibiting their ability to step back and see the bigger picture. Long-term fatigue and even exhaustion can occur, along with nutritional problems resulting from a poor diet. Mental effects may also occur: worry, a sense of helplessness or incompetence, a compromised self-image, irritability and feelings of nervousness will impact both the individual and those around them. There are many manifestations of anxiety in people and often several of these effects can be present at the same time. Anxiety can lead the individual to experience a variety of difficulties that affect his or her ability to conduct daily life, such as lack of concentration, impaired judgment, poor attention, and the like. Anxiety can also disrupt normal behavior patterns, such as sleeping, becoming irritable, and developing an addiction to drugs, both legal and illegal. Some aspects of the effects of anxiety can impact an individual's relationships, family and friends. The anxious person will often become restless, irritable, show low self-esteem or self-confidence, become increasingly negative, and so on, resulting in a change in how they are perceived by their loved ones and themselves. anxiety are probably more familiar to the general public and are certainly mentioned in the literature. Changes in complexion are often mentioned – redness or paleness, for example, as well as dry mouth, palpitations and more. Other effects are less widely recognized as.