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Optometrists are the primary caretakers of our most important sense—vision. They diagnose and detect problems not only with vision, but with the health of the eye and the whole body. Based on their diagnoses, they prescribe glasses, contact lenses, and medications; refer patients to ophthalmologists for surgery; or develop treatment plans, like vision therapy, to help correct for deficits in depth perception. Their work helps people live better at every stage of life. Read more
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When a patient gets sick, his or her doctor will take sample cells from the affected part of his or her body and send them to a lab for testing to figure out what is wrong. This is where the cytotechnologist steps in. The cytotechnologist will take the sample cells, make slides from them, and examine the slides under a microscope. Cytotechnologists are trained to detect abnormalities in cells that come from all body sites in order to to make a diagnosis of cancer or other diseases. These… Read more
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Ever wondered who plans the school lunch, food for patients at a hospital, or the meals for athletes at the Olympics? The answer is dietitians and nutritionists! A dietitian or nutritionist's job is to supervise the planning and preparation of meals to ensure that people—like students, patients, and athletes—are getting the right foods to make them as healthy and as strong as possible. Some dietitians and nutritionists also work to educate people about good food choices so they can… Read more
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Have you ever heard the expression "Prevention is the best medicine"? Prevention is the fundamental work of all health educators. They attempt to prevent illnesses or diseases in individuals or entire communities through education about nutrition, exercise, or other habits and behaviors. Health educators present scientific information in ways that their audience can relate to, and are sensitive to cultural differences. They are the cornerstone of the public health system, improving health and… Read more
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Think of all the jobs in the world that involve machinery, chemicals, toxins, radiation, loud noise, or travel to places above or below Earth's surface—all of these jobs carry an element of risk to the workers. Industrial health and safety engineers work to minimize this risk. They inspect work sites and help workers and companies understand and comply with safety laws. They use their knowledge of mechanical processes, chemistry, and human psychology and performance to anticipate… Read more
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Think of all the things you do as you go about your day, like putting on your shoes, buttoning your shirt, turning on a faucet, typing on a keyboard, going grocery shopping, picking up laundry, making a sandwich, or using a spoon. Now imagine trying to maintain your independence if an injury or illness made it difficult for you to use your hands, move your arms, or even walk. Occupational therapists are the healthcare providers who help people regain independence by developing or restoring… Read more
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Hormones may be small, but they affect our bodies in huge ways. (For example, growth hormone can affect how tall someone grows, and how strong their bones are.) Endocrinologists know this well. Endocrinologists are medical doctors who specialize in diagnosing and treating conditions related to the endocrine system, which secretes small chemicals called hormones. Endocrinologists also investigate ways to improve diagnoses of and treatments for these conditions. Read more
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Many decisions regarding a person's health depend on knowing the patient's genetic risk of having a disease. Genetic counselors help assess those risks, explain them to patients, and counsel individuals and families about their options. Read more
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Would you like to sew up a bad cut after fall? Order and interpret X-rays? Help with surgery? Conduct physicals? Prescribe medications? Physician assistants have many of the same duties as physicians, only they practice medicine under the supervision of a physician or a surgeon. In rural or inner-city areas, physician assistants might have considerable independence, since they might be the only healthcare provider available to these communities. Physician assistants can choose to study… Read more
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In any medical emergency, health care workers first check a patient's airway and breathing, since oxygen is the first thing needed to survive. Respiratory therapists specialize in treating airway and breathing problems. They help, for example, premature infants whose lungs are poorly developed, or children and adults with asthma or pneumonia. They also treat people who have had heart attacks or who have been in swimming or other accidents. Their critical work helps to provide the breath of life. Read more
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