Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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Microbes
Year in review: Science faces Ebola epidemic
West Africa’s 2014 Ebola epidemic showed what can happen when a contagious virus emerges where cultural practices, public fears and porous borders fuel the spread of disease.
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Health & Medicine
Gene variant linked to robust flu vaccine response
Targeting an immune signaling protein called interleukin-28B might boost protection generated by flu shots.
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Health & Medicine
Old drug reduces herpes symptoms, spread in animal tests
The antidepressant tranylcypromine might also work as antiviral against herpes, animal studies suggest.
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Health & Medicine
Turning the immune system on cancer
A new class of drugs uncloaks tumors in some patients, awakening home-grown cells to fight several cancer types.
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Health & Medicine
Aspirin’s heart benefits not a slam dunk
No survival gain found in people age 60 and over who took daily dose of aspirin.
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Genetics
Rare mutations may protect against heart disease
Rare mutations in a key gene seem to lower bad cholesterol and provide protection against heart disease.
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Health & Medicine
Uncommon malaria spreading in Malaysia
Malaria parasite’s jump from monkeys to people seems aided by deforestation in Malaysia.
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Health & Medicine
Snakebite test correctly IDs attackers in Nepal
A new test that swabs for traces of snake DNA around bite marks can identify the guilty serpent and may improve treatments.
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Health & Medicine
Mushroom extract might eradicate HPV infection
In a small trial, a nutritional supplement derived from shiitake mushrooms wiped out dormant human papillomavirus infections.
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Health & Medicine
Dengue vaccine offers partial protection
Shots reduce severe cases of dengue among children in large study in Latin America.
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Health & Medicine
Heavy milk drinking may double women’s mortality rates
In a study of 60,000 Swedes, drinking three or more classes of milk a day was associated with higher chances of death, cancer and hip fractures.
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Health & Medicine
Daylight savings time tied to more exercise in children
Kids in Europe and Australia are slightly more active in longer-lit evenings, a new study shows.