Few careers are as rewarding as those of doctors, nurses, and the other medical professionals who work to improve and save their patients' lives. According to U.S. government projections, employment in the health services industry is expected to increase 27 percent through 2014, adding about 3.6 million new jobs from 2004 through 2014, and many of the top 10 occupations projected to grow the fastest are concentrated in the health services industry.