Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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Health & Medicine
Breathe Easier: Lung surgery aids some emphysema patients
Surgery to remove diseased portions of the upper lungs can help emphysema patients breathe more efficiently, depending on the patient's health and where the damaged tissues are.
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Health & Medicine
Novel tack against diabetes
Thwarting the production of immune proteins that induce inflammation prevents diabetes-prone mice from developing the disease.
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Health & Medicine
Bone Builder: New drug could heal hard-to-mend fractures
A synthetic compound can heal broken bones that are so damaged they don't knit on their own, a study in rats and dogs shows.
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Health & Medicine
Boosting the TB vaccine
A new vaccine for tuberculosis outperforms the current one in tests on animals.
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Health & Medicine
Preeclampsia Progress: Blood test for predicting pregnancy problems
A natural compound called asymmetric dimethylarginine (ADMA) may play a role in preeclampsia, a pregnancy complication.
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Health & Medicine
Upsetting a Delicate Balance: One gene may underlie various immune diseases
One form of an immune-system gene shows up more frequently in people with diabetes or certain thyroid diseases than in people free of those illnesses.
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Health & Medicine
Do more infections mean less asthma?
Young infants kept out of day care and having no more than one older sibling are significantly more likely to develop asthma than are babies who have greater exposure to other children.
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Health & Medicine
Protein implicated in Parkinson’s disease
Inhibiting the natural protein cyclo-oxygenase-2, or COX-2, might help fight Parkinson's disease.
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Health & Medicine
DNA vaccine immunizes fetal lambs
Canadian scientists have devised a way to vaccinate fetal lambs, which could spawn more research into in utero methods for preventing the spread of disease from mothers to their babies.
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Health & Medicine
Protein Pump: Experimental therapy fights Parkinson’s
Bathing surviving dopamine-making neurons with a natural protein that induces nerve-fiber growth reverses some of the symptoms in Parkinson's disease patients.
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Health & Medicine
Shots stop allergic reactions to venom
An immune therapy prevents allergic reactions to the sting of the jack jumper ant, a pest common to Australia.
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Health & Medicine
Deadly Stowaways: Seeds of cancer in transplant recipients are traced back to donors
Precancerous cells that grow into Kaposi's sarcoma are sometimes introduced into a person in an organ transplant.