Screening for lung cancer can catch tumors but it can also produce false positives. Patients need to decide whether it's right for them, but doctors often don't know how to advise them.
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Michael Vigil, an oil contractor from Douglas, Wyo., traveled 250 miles to Denver to have his aortic valve replaced in May. He said he would have preferred his local hospital do the procedure.
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A study published Wednesday suggests men who wear briefs — tight-fitting underwear — have sperm counts that are, on average, 17 percent lower than men who wear boxers.
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Mother Daniele Santos holds her baby Juan Pedro, who has microcephaly, on May 30, 2016, in Recife, Brazil. Researchers are now learning that Zika's effects can appear up to a year after birth.
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A small new study shows that successful dieters had an abundance of a bacteria called Phascolarctobacterium, whereas another bacteria, Dialister, was associated with a failure to lose weight.
While some water filters are designed to screen out potentially deadly lead, many filters and bottled water with added minerals simply improve the taste of water.
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Wren Vetens was promised a significant discount on the cost of her gender-confirmation surgery if she paid in cash upfront, without using her health insurance. Yet afterward, Vetens received an explanation of benefits saying the hospital had billed her insurer nearly $92,000.
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UCLA researchers are using a radioactive tracer, which binds to abnormal proteins in the brain, to see if it is possible to diagnose chronic traumatic encephalopathy in living patients. Warmer colors in these PET scans indicate higher concentrations of the tracer.