Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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Science & Society
Naturalists at Sea
For centuries after Columbus, the flora and fauna of the New World remained a mystery to Europeans. But in the 1600s and 1700s, explorers began to visit and describe what were then considered remote corners of the Earth.
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Health & Medicine
Vitamin C could give chemo a boost
Injected into mice, the supplement helped anticancer drugs shrink tumors.
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Health & Medicine
Overcoming peanut allergy requires maintenance for most
In small study, nearly all people who stopped eating the legumes daily later experienced an allergic reaction.
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Health & Medicine
Immunotherapy attacks aberrant cervical growth
The treatment might stop cancers before they arise.
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Humans
Small fetal size early on might carry risks later
A smaller size in first trimester of pregnancy has been linked to heart-health warning signs in childhood.
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Health & Medicine
‘Good bacterium’ prevents colic symptoms in newborns
Crying time was nearly halved in babies receiving the beneficial microbe.
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Health & Medicine
Pacemaker treats sleep apnea
Experimental device works for many patients who can’t use breathing machines.
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Health & Medicine
Vitamin E might limit Alzheimer’s decline
A trial of vitamin E in elderly veterans with Alzheimer’s shows promise for those in the early stages of the disease.
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Health & Medicine
Year in Review: Putting kids at risk
U.S. parents increasingly are delaying their children’s vaccination.
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Neuroscience
Narcolepsy may be an autoimmune disease
Narcolepsy occurs when wayward immune forces launch an attack on brain cells responsible for wakefulness, a new study suggests.
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Health & Medicine
Dog dust may benefit infant immune systems
Microbes from pet-owning houses protected mice against allergy, infection.