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  • News in Brief

    Why some people may be more susceptible to deadly C. difficile infections

    An intestinal pathogen that causes severe and sometimes life-threatening diarrhea is an opportunist that grows like gangbusters under the right conditions. Now, scientists may have discovered the opportunity that Clostridioides difficile waits for.

    In mice, a disruption of the mix of microbes in the gut sets the stage for C. difficile infections. Such upsets allow the pathogen to...

    10/24/2018 - 14:00 Microbiology, Health
  • News

    Teens use Juul e-cigarettes much more often than other vaping products

    Teens who try the latest, sleekest iteration of electronic cigarettes may be more likely to become regular users, compared with those who try other e-cigarettes or regular cigarettes, a new study suggests.

    These pod-mod e-cigarettes, which resemble a USB drive, come with a prefilled pod of flavored liquid that contains a higher concentration of nicotine than other e-cigarettes. And the...

    10/23/2018 - 06:00 Health
  • Rethink

    An eye disorder may have given Leonardo da Vinci an artistic edge

    If Leonardo da Vinci had a good eye doctor, he might not have become such a great artist. At least that’s what an analysis of paintings and sculptures believed to be modeled after da Vinci suggests.

    Visual neuroscientist Christopher Tyler of the City University of London examined six pieces of art, including Salvator Mundi and Vitruvian Man. Five of the pieces depict an eye misalignment...

    10/22/2018 - 06:00 Health
  • News

    New therapies pack a triple-drug punch to treat cystic fibrosis

    For years, scientists have struggled to find a therapy that works for most cystic fibrosis sufferers. Now, two new triple-drug approaches, still undergoing testing, are offering hope.

    Cystic fibrosis is caused by mutations in a gene called CFTR. These mutations mean the body either makes defective versions of a protein, also called CFTR, or none of the protein at all. The new therapies...

    10/19/2018 - 12:39 Health, Clinical Trials
  • 50 years ago, the safety of artificial sweeteners was fiercely debated

    Safety challenged —

    Americans consume 8,000 tons of artificial sweeteners every year …confident that the chemical sweeteners are safe. Manufacturers insist that they are; the sugar industry … insists they are not.… [B]oth camps swamped FDA with detailed evidence pro and con. — Science News, October 26, 1968

    Update

    Let’s not sugarcoat it: The debate isn’t over. Fifty years ago,...

    10/19/2018 - 06:00 Nutrition, Health, Microbiology
  • News

    A mysterious polio-like disease has sickened as many as 127 people in the U.S.

    U.S. health officials are investigating an outbreak of a mysterious, polio-like disease that causes weakness in one or more limbs. The rare disease — acute flaccid myelitis, or AFM — has sickened 62 people, mostly children, in 22 states so far this year and is suspected in 65 more cases, the U.S. Centers for Disease Control and Prevention announced October 16.

    Starting with an outbreak...

    10/16/2018 - 18:37 Health
  • Reviews & Previews

    Explore the history of blood from vampires to the ‘Menstrual Man’

    Nine PintsRose GeorgeMetropolitan Books, $30

    The title of journalist Rose George’s new book, Nine Pints, quantifies how much blood George has flowing through her body. Her supply takes a temporary dip in the book’s opening chapter, when she donates about a pint (a story that continues on to recap the amazing accomplishment that is blood banking). This act of generosity is an...

    10/16/2018 - 09:00 Physiology, Health, History of Science
  • News

    Hundreds of dietary supplements are tainted with potentially harmful drugs

    From 2007 to 2016, the U.S. Food and Drug Administration flagged nearly 800 over-the-counter dietary supplements as tainted with potentially harmful pharmaceutical drugs, a study shows. Fewer than half of those products were recalled by their makers, scientists found. 

    Researchers analyzed the FDA’s public database of tainted supplements, identifying both the type of contaminating...

    10/12/2018 - 14:29 Health
  • News in Brief

    Nearly 2 million U.S. adult nonsmokers vape

    Nearly 2 million U.S. adults who have never consistently smoked traditional cigarettes use e-cigarettes, according to results from a national survey. Of these sole e-cig users, about 60 percent are young adults, aged 18 to 24, researchers report online October 9 in Annals of Internal Medicine.

    E-cigarette companies have marketed the devices — which heat and vaporize liquids that...

    10/09/2018 - 13:20 Health
  • Reviews & Previews

    ‘Sawbones’ invites readers to laugh at the bizarre history of medicine

    The Sawbones BookJustin McElroy and Dr. Sydnee McElroyTeylor Smirl (illustrator)Weldon Owen, $24.99

    Humans took a long, weird road to modern medicine. We don’t have everything figured out yet, but at least we’ve learned not to drink the feces of cholera victims and never to plug dental cavities with a lizard’s liver — unlike some of our ancestors.

    Gruesome methods like these...

    10/09/2018 - 07:00 Health, History of Science, Science & Society