Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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Health & MedicineVaccine stops deadly sand-fly-spread scourge in animal test
A DNA vaccine triggers protection against the sand-fly-borne scourge Leishmania.
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Health & MedicineFructose may be key to weight gain
Mice that could not make or metabolize the sugar gained less weight than normal mice.
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Health & MedicineDevice offers promise of no brain tumor left behind
A new technique might allow surgeons to identify with precision where brain cancer ends and healthy tissue begins.
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Health & MedicineHeart disease patients more apt to take one combined pill than many
Patients stayed on track better with a "polypill" than with three medications.
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Health & MedicineTest could warn of problems for kidney transplant recipients
A urine test for an immune protein might tell doctors whether a patient is headed for trouble.
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Health & MedicineClues emerge to explain allergic asthma
Tests in mice reveal that allergens can trigger inflammation by cleaving a clotting protein.
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Science & SocietyImpactful Distraction
Talking while driving poses dangers that people seem unable to see.
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Health & MedicineVaccine protects against malaria in early test
A series of shots enables volunteers to fend off a live infection by the disease-causing parasite.
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Health & MedicineHigh blood glucose levels linked to dementia
Elderly people with elevated blood glucose levels are more apt to develop dementia, whether or not they have diabetes.
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Health & MedicineWhat and when babies first eat may affect diabetes risk
Children at risk of type 1 diabetes are better off waiting until 4 months of age to consume solid foods.
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Health & MedicinePeople may have evolved to fight cholera
People in Bangladesh have genetic variations that might defend against the disease.
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Health & MedicineExperimental type 1 diabetes treatment shows promise
Findings in a small group of patients hint that a DNA-based therapy might work, but the effects fade after treatment stops.