DNA isolated from a small sample of saliva or blood can yield information, fairly inexpensively, about a person's relative risk of developing dozens of diseases or medical conditions.
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In theory, "direct primary care" should result in better health for patients and lower health care costs overall. But some analysts say that approach just encourages the worried well to get more care than they need.
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Advocates of paying a family doctor a flat monthly fee for office visits and some lab work say it saves patients money when coupled with a high-deductible insurance plan.
Dr. Max Lebow examines the ear of 4-year-old Charlotte Anderson at Reliant Immediate Care in Los Angeles. Charlotte's mom brought her to the urgent care clinic because Charlotte was having balance problems.
Benjamin Brian Morris for NPR