Christopher Wanjek is a Live Science contributor and a health and science writer. He is the author of three science books: Spacefarers (2020), Food at Work (2005) and Bad Medicine (2003). His "Food at Work" book and project, concerning workers' health, safety and productivity, was commissioned by the U.N.'s International Labor Organization. For Live Science, Christopher covers public health, nutrition and biology, and he has written extensively for The Washington Post and Sky & Telescope among others, as well as for the NASA Goddard Space Flight Center, where he was a senior writer. Christopher holds a Master of Health degree from Harvard School of Public Health and a degree in journalism from Temple University.
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Peekaboo! Baby Brains Process Faces Just Like Adult Brains DoThe visual cortex's highly categorized structure for processing faces compared to other objects is in place at or near birth, a study of infants shows.
By Christopher Wanjek Published
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Nice Try: Top 5 Retracted Science Studies of 2016Our annual countdown of significant or otherwise humorous scientific retractions.
By Christopher Wanjek Published
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Older But Wiser: Why Risky Behavior Declines with AgeResearchers find that a decrease in gray matter in aging brains could explain why older people take fewer risks than younger people.
By Christopher Wanjek Published
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'Miniantibodies' Reduce Inflammation and PainInflammation is an essential part of the immune system, but too much of it over time can lead to problems. Now, researchers have found a new way to fight it.
By Christopher Wanjek Published
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Marijuana-Like Drugs May Offer Addiction-Free Pain ReliefScientists have turned to marijuana-like synthetic compounds to provide opioid-like pain relief without the risk of addiction or a high.
By Christopher Wanjek Published
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The Grime on Your Smartphone Can Reveal Your SecretsThe residue of chemicals and microbes on your cellphone can reveal a lot about your lifestyle.
By Christopher Wanjek Published
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Astronauts' Back Pain Has Surprising CauseDoctors to astronauts: We've got your back.
By Christopher Wanjek Published
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On a Long Trip to Mars, Cosmic Radiation May Damage Astronauts' BrainsPresident Obama today announced ambitions for the U.S. to send people to Mars by 2030. But a new study shows that the radiation of space could be damaging to the brain.
By Christopher Wanjek Published
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Deadly Mixture: Scientists Uncover Harmful Drug InteractionsComputers reveal what doctors can miss, potentially deadly prescription drug interactions.
By Christopher Wanjek Published
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Like Fatty Foods? There's a Gene for That.Obese people with a certain gene mutation have a high preference for fatty foods yet a low preference for sugary foods, highlighting the genetic underpinnings of appetite control.
By Christopher Wanjek Published
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Primates, Including Humans, Are the Most Violent AnimalsWhy do humans kill each other? A new study looks at the question from an evolutionary perspective.
By Christopher Wanjek Published
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Fat Flora? Gut Bacteria Differ in Obese KidsObese kids have a different population of gut bacteria compared to lean kids, and this may cause them to accumulate fat.
By Christopher Wanjek Published
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Hospitals Jack Up Costs 'Strategically,' Study FindsHospitals inflate prices in very specific ways, a new study finds.
By Christopher Wanjek Published
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Scientists Deliver Opioid-Like Pain Relief Without Addiction RiskScientists have created a drug that, in monkeys, provided opioid-like pain relief without the addictive qualities.
By Christopher Wanjek Published
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In a First, Drone Used to Collect Medical Samples from Rural VillageDrones can be used for the good of humankind, a new report shows.
By Christopher Wanjek Published
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Scientists Home in on the Human 'Sociability' GeneResearchers have grown the neurons of people with Williams syndrome to help understand the genes involved with being sociable.
By Christopher Wanjek Published
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Brain Cells Call for Help: Discovery May Aid Stroke TreatmentAfter an organism has a stroke, damaged neurons appear to send out a distress signal to prompt nearby cells to donate their mitochondria to help the damaged cells rebuild.
By Christopher Wanjek Published
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Stem Cells Could Replace Hip ReplacementsResearchers have figured out how to get stem cells to grow on a scaffold shaped like the ball of a hip joint and regenerate a cushion of cartilage.
By Christopher Wanjek Published
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For Kids with Eczema, 'Soak and Smear'Doctors recommend frequent bathing followed immediately by proper moisturizers to control eczema in children.
By Christopher Wanjek Published
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Omega-3 Fatty Acids Reduce Risk of Fatal Heart AttackA thorough new study -- that looked at levels of omega-3 fatty acids in people's blood, rather than just asking what they ate -- finds that these acids do reduce people's risk of fatal heart attack.
By Christopher Wanjek Published
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AI Boosts Cancer Screens to Nearly 100 Percent AccuracyArtificial intelligence comes of age; pathologists can combine it with their own skills for nearly 100 percent accuracy in finding cancer cells in a biopsy.
By Christopher Wanjek Published
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Food Labels Have You Confused? Try the No-Label DietThe FDA has finalized its new food labeling requirement, but I call for a "no-label" diet of whole foods that don't require labeling.
By Christopher Wanjek Published
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Soda Pop Music? Entertainers Endorse Junk Food, Study FindsTheir music's impact may fade in a year, but the effects of the junk food these musicians endorse could last a lifetime.
By Christopher Wanjek Published
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Stung for Science: Meet the Man Who Measures PainEntomologist Justin Schmidt has made a research career out of being stung by insects, and now he has a new book about it.
By Christopher Wanjek Published

