Nathan Seppa

Biomedical Writer (retired September 2015)

All Stories by Nathan Seppa

  1. Health & Medicine

    Gene Tied to Heightened Diabetes Risk

    People with three particular variations within the gene that encodes the protein calpain-10 face triple the risk of getting type II diabetes.

  2. Health & Medicine

    Damage Patrol: Enzyme may reveal cancer susceptibility

    People with lung cancer show less DNA-repair activity by a certain enzyme than people without the disease do.

  3. Health & Medicine

    Coronary calcium may predict death risk

    The amount of calcium in the coronary arteries can serve as a risk marker for people who are otherwise without heart disease symptoms.

  4. Health & Medicine

    Grades slipping? Check for snoring

    Children who snore frequently are more likely to struggle with their schoolwork than are children who rarely snore.

  5. Health & Medicine

    Double Shot: Anthrax vaccine gets makeover

    An experimental anthrax vaccine appears to spur production of antibodies that stop the bacterium and disable the anthrax toxin at the same time.

  6. Health & Medicine

    Better Bones: Women benefit from low dose of estrogen

    Ultralow doses of estrogen and progesterone given to postmenopausal women boost bone density compared with placebos, without causing the adverse effects seen in some women who get larger doses of these hormones.

  7. Health & Medicine

    Old polio vaccine free of HIV, SIV

    Three laboratories analyzing remaining samples of polio vaccine used in the late 1950s find that none contains any human or simian immunodeficiency virus, or chimpanzee DNA—making polio vaccine unlikely to be the cause of the initial HIV outbreak in central Africa.

  8. Health & Medicine

    Stem-cell transplant works on lupus

    Severe lupus can be reversed with a transplant of the patient's own bone marrow stem cells, after they're allowed to mature outside the body, and medication that neutralizes self-attacking immune cells.

  9. Health & Medicine

    Nerves in heart show damage in Parkinson’s

    Some patients with Parkinson's disease also have destruction of nerve terminals in the heart that affects blood pressure.

  10. Health & Medicine

    Drug reduces risks for dialysis patients

    Kidney-dialysis patients getting the vitamin D drug paricalcitol survive longer than those getting a similar medication called calcitriol.

  11. Health & Medicine

    Blood Sugar Fix

    A new class of experimental drugs that mimic the actions of the hormone glucagon-like peptide 1 shows benefits against type 2, or adult-onset, diabetes.

  12. Health & Medicine

    Virus Shield: Ebola vaccine works fast in monkey test

    Tests on monkeys show that an experimental vaccine can build immunity against Ebola virus within a month, suggesting the vaccine might help contain outbreaks of the deadly pathogen.