Nathan Seppa

Biomedical Writer (retired September 2015)

All Stories by Nathan Seppa

  1. Health & Medicine

    HIV vaccine trial stopped

    Shots-plus-booster strategy deemed ineffective in preventing infection.

  2. Health & Medicine

    Hookah smoking delivers carcinogens and carbon monoxide

    Water pipes deliver carcinogens, nicotine and carbon monoxide to the user, a study finds.

  3. Health & Medicine

    Circumcision changes penis biology

    Altered mix of microbes might reduce susceptibility to viral infections.

  4. Health & Medicine

    Colic in infancy linked to migraines later in childhood

    No tie found between colicky babies and later tension headaches.

  5. Health & Medicine

    Bioengineered kidney transplanted into rat

    Cleansed of cells and repopulated anew, bioengineered organ successfully produces urine.

  6. Chemistry

    Malaria drug made by baker’s yeast

    Fermentation process using bioengineered version of the fungus could become important new production method for artemisinin.

  7. Health & Medicine

    Vitamin D doesn’t disappoint

    Vitamin D seems to be living up to high expectations

  8. Health & Medicine

    Ovarian cancer drug candidate passes early clinical test

    An experimental medicine that uses a seek-and-destroy design to kill tumor cells may help some patients who face a recurrence.

  9. Health & Medicine

    Dose of Reality

    HPV is epidemic, which is odd since it is largely preventable.

  10. Health & Medicine

    Alzheimer’s plaque components fight inflammation

    In mice, bits of proteins can treat condition resembling multiple sclerosis.

  11. Health & Medicine

    Hepatitis C drug goes after patients’ RNA

    An experimental medicine that targets a type of RNA in the liver leads to reduced virus levels in patients.

  12. Health & Medicine

    Experimental malaria drug may be a hot prospect

    A synthetic compound attacks the parasite at three stages of infection, early tests show.