13套搞定新SAT语法Test01-3
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The Pressing Need for Clinical Psychologists

Clinical psychologists study, diagnose, and treat mental illnesses. Their work is vital given the high rates of mental illness among adolescents and adults. More psychologists are needed to contribute to research on the causes of and treatments for mental illness and give therapy to patients.

Mental illness is quite common in the United States. In 2012, the National Institutes of Mental Health estimated that almost 20% of adults in the US were diagnosed with a mental illness. Anxiety disorders, which involve excessive 23stressing out about stuff, were the most common. Other relatively common illnesses were attention-deficit hyperactivity disorder (ADHD), which involves difficulties focusing, and major depression, which saps the mood and energy of its sufferers.

[1] Adolescents between the ages of 13 and 18 are particularly vulnerable to these disorders; NIMH estimates indicate that 24about 25% of them likely suffer from at least one anxiety disorder. [2] That figure is just below 10% for ADHD and depression. [3] Another disorder that has drawn the attention of psychologists and the general public is autism spectrum disorder (ASD). [4] People with ASD often show symptoms from a very early age; 25his or her symptoms can include difficulties with motor coordination and delayed literacy acquisition. [5]ASD is becoming increasingly common; 26 1 in 150 children born in 2000 had ASD, while by 2010 the rate had increased to 1 in 68.27

If more students became 28a psychologist, they could perform research to address many questions relating to mental illness. For instance, many researchers are currently unsure if mental illness is truly becoming more common or if clinical psychologists are simply more likely to spot it than in the past. Broad studies of the population are needed to address the issue. 29Without a doubt, the root causes and biological underpinnings of many disorders are not known. More studies of the 30gene's and brain's of people with mental illness are needed to develop fuller understandings of these disorders.

31Some mental illnesses can be treated with medications, such as antidepressants for depression and stimulants for ADHD, but there are patients for whom 32it does not work perfectly. Therapy is a vital part of recovery for these people. Even for patients who respond well to medication, regular therapy can also help them develop coping skills and avoid relapse. The availability of psychologists who can meet with patients to deliver therapies 33are vital to addressing the serious public health challenge of mental illness.


1Anxiety disorders, which involve excessive 23stressing out about stuff, were the most common.