Nathan Seppa

Biomedical Writer (retired September 2015)

All Stories by Nathan Seppa

  1. Microbes

    Year in review: Science faces Ebola epidemic

    West Africa’s 2014 Ebola epidemic showed what can happen when a contagious virus emerges where cultural practices, public fears and porous borders fuel the spread of disease.

  2. Health & Medicine

    Gene variant linked to robust flu vaccine response

    Targeting an immune signaling protein called interleukin-28B might boost protection generated by flu shots.

  3. Health & Medicine

    Old drug reduces herpes symptoms, spread in animal tests

    The antidepressant tranylcypromine might also work as antiviral against herpes, animal studies suggest.

  4. Health & Medicine

    Turning the immune system on cancer

    A new class of drugs uncloaks tumors in some patients, awakening home-grown cells to fight several cancer types.

  5. Health & Medicine

    Aspirin’s heart benefits not a slam dunk

    No survival gain found in people age 60 and over who took daily dose of aspirin.

  6. Genetics

    Rare mutations may protect against heart disease

    Rare mutations in a key gene seem to lower bad cholesterol and provide protection against heart disease.

  7. Health & Medicine

    Uncommon malaria spreading in Malaysia

    Malaria parasite’s jump from monkeys to people seems aided by deforestation in Malaysia.

  8. Health & Medicine

    Snakebite test correctly IDs attackers in Nepal

    A new test that swabs for traces of snake DNA around bite marks can identify the guilty serpent and may improve treatments.

  9. Health & Medicine

    Mushroom extract might eradicate HPV infection

    In a small trial, a nutritional supplement derived from shiitake mushrooms wiped out dormant human papillomavirus infections.

  10. Health & Medicine

    Dengue vaccine offers partial protection

    Shots reduce severe cases of dengue among children in large study in Latin America.

  11. Health & Medicine

    Heavy milk drinking may double women’s mortality rates

    In a study of 60,000 Swedes, drinking three or more classes of milk a day was associated with higher chances of death, cancer and hip fractures.

  12. Health & Medicine

    Daylight savings time tied to more exercise in children

    Kids in Europe and Australia are slightly more active in longer-lit evenings, a new study shows.