Nathan Seppa

Biomedical Writer (retired September 2015)

All Stories by Nathan Seppa

  1. Health & Medicine

    U.S. childhood obesity rate continues to rise

    Only a few states buck the trend toward greater weight gain in kids age 10 to 17, a new survey shows.

  2. Health & Medicine

    Epigenetic changes show up in people with PTSD

    Study finds alterations in genes tied to immune system and brain development, but whether they cause the disorder remains unclear.

  3. Health & Medicine

    Vitamin E, diabetes drug may reverse fatty liver disease

    Test results in obese people suggest these two treatments may work against cirrhosis precursor.

  4. Health & Medicine

    Marker protein may help breast cancer screening

    High amounts of EGFR can show up in the blood as much as 17 months before disease is diagnosed, a study finds.

  5. Health & Medicine

    Colorectal cancer risk linked to stomach bacterium, inflammation

    Stomach infection and high levels of inflammatory proteins are more common in people with colon polyps or disease, two studies show.

  6. Health & Medicine

    Insulin pump and computer mated to regulate blood sugar

    A test in type 1 diabetes patients suggests that technology exists to create wearable, self-controlled “artificial pancreas.”

  7. Health & Medicine

    Intentional weight loss in old age not detrimental, study finds

    Among obese group, those who shed pounds as part of diet study were less likely to die during follow-up years.

  8. Health & Medicine

    Lung function still impaired by dust from World Trade Center

    Firefighters and emergency medical teams continue to have breathing problems years after the 2001 terrorist attack.

  9. Health & Medicine

    Existing antibiotic might help keep wraps on AIDS virus

    The acne drug minocycline inhibits HIV activation in infected immune cells, lab tests show.

  10. Health & Medicine

    UV radiation, not vitamin D, might limit multiple sclerosis symptoms

    The rarity of MS in the tropics may be due to higher ultraviolet light exposure, not necessarily increased vitamin production, new research suggests.

  11. Health & Medicine

    Experimental blood pressure drug takes natural approach

    Dual-action compound tests well in large group of people with mild to moderate hypertension

  12. Health & Medicine

    Old drug may be first choice for childhood petit mal epilepsy

    Three-way trial shows ethosuximide edging out two newer choices.