Employment of physicians will grow faster than the average through 2022, according to the U.S. Department of Labor. Health care-related services will continue to expand rapidly as a result of the growing U.S. population and the implementation of the Patient Protection and Affordable Care Act, which increase the number of people who are covered by health insurance. More than 62 million Americans suffer from some kind of allergy, fueling the demand for allergists/immunologists. Though some doctors remain skeptical about the relationship between allergy and illness, allergy/immunology has become a respected field of medicine. As this field continues to grow, more doctors will refer their patients to these specialists.  

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