Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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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.
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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.
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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.
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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.
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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.
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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.”
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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.
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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.
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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.
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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.
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Health & Medicine
Experimental blood pressure drug takes natural approach
Dual-action compound tests well in large group of people with mild to moderate hypertension
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Health & Medicine
Old drug may be first choice for childhood petit mal epilepsy
Three-way trial shows ethosuximide edging out two newer choices.