Nathan Seppa

Biomedical Writer (retired September 2015)

All Stories by Nathan Seppa

  1. Health & Medicine

    Protein flags colon, prostate cancers

    A compound first identified as a possible culprit in Huntington's disease may be an indicator of cancers of the prostate gland and colon.

  2. Health & Medicine

    Stroke Stopper: New vaccine curbs blood vessel damage in lab animals

    A vaccine that desensitizes the immune system to a protein inside blood vessels prevents some strokes in laboratory rats.

  3. Health & Medicine

    Flower Power: Corn lily compound stops cancer in mice

    A new study in mice suggests that cyclopamine, a plant derivative that causes birth defects in animals, can inhibit medulloblastoma, a brain cancer in children.

  4. Health & Medicine

    Budding Tastes: Higher blood pressure in newborns links to salt preference

    Babies who tolerate a salty flavor have higher blood pressure on average than their less tolerant counterparts do.

  5. Health & Medicine

    New Antidote to Botulism: Drug neutralizes toxin in mouse tests

    An experimental drug disables deadly botulism toxin much better than current treatment does.

  6. Health & Medicine

    Retina Rescue: Adult stem cells form blood vessels in the eye

    Stem cells derived from bone marrow can grow into new blood vessels in the eyes of mice, suggesting a way to treat eye diseases in people.

  7. Health & Medicine

    Heart damage tied to immune reaction

    Researchers in Brazil have identified immune proteins that flood the heart tissues of many people with Chagas disease, suggesting a cause of this deadly complication of the parasitic tropical disease.

  8. Health & Medicine

    Gene might contribute to asthma risk

    Variations in a gene called ADAM33 may predispose a person to asthma.

  9. Health & Medicine

    Hormone therapy falls out of favor

    Several studies now indicate that health risks associated with hormone replacement therapy for postmenopausal women outweigh its benefits.

  10. Health & Medicine

    Mixed Blessing: Unusual gene helps heart, hurts immunity

    People carrying a variant of a gene that encodes an immune protein called toll-like receptor 4 have a weaker defense against infections but appear to be less prone to heart disease.

  11. Health & Medicine

    Study fails to link vasectomy to cancer

    Researchers have found that men with prostate cancer are no more likely to have had a vasectomy than healthy men are.

  12. Health & Medicine

    Vaccine for All? Math model supports mass smallpox inoculation

    Vaccinating an entire city in response to a smallpox terrorist attack would save thousands more lives than would quarantining infected people and vaccinating anyone they contacted.