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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New Drug Could Treat Low Testosterone with Fewer Side EffectsMen with low testosterone could one day be treated with a drug called enclomiphene citrate, which is similar to the drug clomid that is used in women undergoing IVF .
By Christopher Wanjek Published
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A Common Link Among Female Criminals: Brain InjuryA high percentage of women in prison have a history of a traumatic brain injury, a new study finds.
By Christopher Wanjek Published
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Turn Off to Tuck In: 5 Sleep Tips for Gadget JunkiesOur mobile devices may make getting good sleep particularly challenging. Here are some sleep tips from experts.
By Christopher Wanjek Published
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Cancer-Fighting Diet: 6 Tips to Reduce Your RiskHere are six science-supported tips for eating healthy to reduce your risk of cancer.
By Christopher Wanjek Published
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Broccoli Brew Eases Air Pollution Effect, But Is This Detox?A broccoli concoction showed promise in a recent study in fighting one harmful effect of air pollution, but that doesn't mean that broccoli can "detox" the body.
By Christopher Wanjek Published
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Learning a New Language at Any Age Helps the BrainLearning a second language -- whether during infancy, childhood or the teen years -- may improve a person's thinking skills, a new study suggests.
By Christopher Wanjek Published
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If Aired, Tobacco Truths Would Help Smokers Quit, Study FindsTrue statements about what smoking cigarettes can do to your health actually come as a surprise to many smokers, a new study suggests.
By Christopher Wanjek Published
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Deadly Heart Disease May Hitch a Ride on Dust StormsA mysterious and sometimes deadly childhood heart disease called Kawasaki disease may be caused by an airborne fungus, new research suggests.
By Christopher Wanjek Published
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Too Much Iron from Meat May Raise Heart RisksThe iron in red meat may raise your risk for heart disease, but iron in vegetables seems to have no ill effect, a new study says.
By Christopher Wanjek Published
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Big, Fat 'F': US Children Fail at Physical ActivityOnly 13 percent of kids now walk or bike to get where they're going, and 54 percent spend more time than recommended in front of a TV or computer screen, a new report says.
By Christopher Wanjek Published
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Improve the Food, Not Just the Food Label (Op-Ed)Opinion A recent proposal aims to change the information we see on food labels. But what's really needed is an improvement to the quality of the food, not just the food labels.
By Christopher Wanjek Published
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The Poop on Pooping: 5 Misconceptions ExplainedCountdown You may think you know your stuff when it comes to pooping and your health, but misconceptions are common. Here's the truth about poop and your health.
By Christopher Wanjek Published
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'Anti-Aging' Hormone May Actually Shorten LifeBy Christopher Wanjek Published
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Vicious Cycle of Weight Gain, Inactivity Causes ObesityPeople who are obese spend less than 1 minute per day doing vigorous physical activity, a new study finds.
By Christopher Wanjek Published
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Vegetarian Diets Lower Blood Pressure BestPeople who eat a vegetarian diet tend to have healthier blood pressure levels than those who don't, according to new research.
By Christopher Wanjek Published
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Stress Causes Headaches, Scientists ConfirmStress is linked with headaches, according to a new study that finds that people with more stress in their lives tend to suffer more frequent and more intense headaches.
By Christopher Wanjek Published
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Chronic Infections Linked with Memory Problems Later in LifePeople with chronic viral or bacterial infections may face an increased risk of thinking and memory problems later in life, according to a new study.
By Christopher Wanjek Published
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Devastating Plague Strains Arose Twice, Could ReturnBy Christopher Wanjek Published
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Genome of the Blood-Sucking Hookworm DecodedBy Christopher Wanjek Published
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Best US States for Child Kidney Transplants RevealedFor children who need a donated kidney, wait times vary greatly depending on which state they live in, a new study finds.
By Christopher Wanjek Published
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Oh, Never Mind: Top 5 Retracted Science Studies of 2013By Christopher Wanjek Published
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Brains Hardwired to Accept Celebrity Health AdviceThe human brain may be hardwired to trust the health advice that celebrities dole out, researchers say.
By Christopher Wanjek Published
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Cookin' Up Stem Cells: New Technique Lowers Cancer Risk (Video)A new technique for creating stem cells shows they can be made in a way that reduces the risk of these cells dividing haphazardly and becoming cancerous.
By Christopher Wanjek Published
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E-Cigarettes Just More Smoke and Mirrors, Doctors SayE-cigarettes are increasingly popular, pitched by the industry as a safe alternative to traditional cigarettes, but they're just as addictive and harmful in other ways, studies show.
By Christopher Wanjek Published

