Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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Health & Medicine
Cartilage Creation
New joint tissue could keep people moving, reducing need for knee or hip replacements.
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Health & Medicine
Male circumcision tied to lower HIV prevalence
Clinical programs in eastern and southern Africa also seem to be changing people’s views on the operation.
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Health & Medicine
Egg in tiny doses curbs allergy
Giving allergic kids minuscule bits of problem food and gradually increasing it over many months wipes out reactions in some, a study finds.
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Health & Medicine
Proliferation protein goes rogue in lung cancer
Rac1b might promote malignancy, could be a target for treatment.
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Health & Medicine
Male contraceptive shows promise
Two hormones in gels applied to the skin effectively lower sperm counts, a study finds.
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Health & Medicine
Endocrine Society Annual Meeting
Highlights from the 94th annual meeting held June 23-26 in Houston.
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Health & Medicine
Testosterone therapy takes off pounds
A five-year study shows that men getting the hormone consistently lose weight.
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Health & Medicine
More adults put off kids’ vaccinations
Scientists say the practice has no proven value and poses risks of infection.
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Health & Medicine
Fish oil components may not benefit everyone’s heart
A six-year study finds that omega-3 fatty acids don't lower heart risk in people with diabetes.
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Health & Medicine
Replacing fatty acids may fight MS
Patients are deficient in four key lipids that neutralize immune cells linked to inflammation and nerve damage.
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Health & Medicine
Fever in pregnancy linked to autism
Pregnant women who run a high temperature that goes untreated may double their risk of having an autistic child, a study finds.