Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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Health & Medicine
Compound linked to IVF success
Women with high blood concentrations of anti-Müllerian hormone were more likely to conceive and give birth after in vitro fertilization.
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Health & Medicine
U.S. breast-feeding rates up
Between 2000 and 2008, the fraction of women breast-feeding babies increased, as did the fraction breast-feeding for a year.
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Health & Medicine
Link between obesity and vitamin D clarified
People carrying gene variants tied to weight are also prone to deficiency of the sun-derived nutrient, but not vice versa.
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Health & Medicine
TV watching linked to low sperm counts
Couch potatoes’ reproductive health may suffer.
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Health & Medicine
Some service members sleep too little
Of active-duty military personnel seeking help for sleep complaints, two-thirds get six or less hours per night.
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Humans
Some chores linked to less sex
Husbands who do more household chores make love less often, a new study suggests.
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Health & Medicine
Digestive juices implicated in shock
A new study finds that blocking enzymes' effects beyond the gastrointestinal tract may be an effective treatment strategy.
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Health & Medicine
Half of U.S. babies may miss on-time vaccinations
Immunization delays place children at risk of contracting preventable diseases.
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Health & Medicine
Flu shot during pregnancy is safe, but flu isn’t
Illness in the mother nearly doubles the risk of a miscarriage or stillbirth in second or third trimester, a new study shows.
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Health & Medicine
Fast food linked to asthma risk
A diet high in fast food seems to increase the risk of asthma in young children and adolescents, survey data from more than a half-million people finds.