Nathan Seppa
Biomedical Writer (retired September 2015)
Trustworthy journalism comes at a price.
Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need your financial support to make it happen – every contribution makes a difference.
All Stories by Nathan Seppa
-
Health & MedicineCoffee linked to rheumatoid arthritis
People who drink four or more cups of coffee per day appear more likely to get rheumatoid arthritis than are those drinking less.
-
Health & MedicineDo zinc lozenges shorten common colds?
People taking zinc to fight a cold report less coughing, less nasal discharge, and a shorter cold than do people getting a placebo.
-
Health & MedicineDo more infections mean less asthma?
Young infants kept out of day care and having no more than one older sibling are significantly more likely to develop asthma than are babies who have greater exposure to other children.
-
Health & MedicineDNA vaccine immunizes fetal lambs
Canadian scientists have devised a way to vaccinate fetal lambs, which could spawn more research into in utero methods for preventing the spread of disease from mothers to their babies.
-
Health & MedicineVenison can contain E. coli bacteria
Escherichia coli, which causes severe diarrhea in people, may be widespread in deer, a finding that raises concerns about preparation of wild-game meats.
-
Health & MedicineNew Australian virus infects people
Australian scientists have identified a new virus, apparently spread by fruit bats, that causes birth defects in pigs and severe illness in some people exposed to infected pigs.
-
Health & MedicineIndian encephalitis is traced to measles
An outbreak of fatal encephalitis in India appears to have been caused by a strange form of rashless measles in a majority of the sick children tested.
-
Health & MedicineDanes keeping drugs out of livestock
Reducing the amount of antibiotics given to livestock in Denmark has lowered the amount of drug-resistant Enterococcus faecium bacteria in the meat of these animals.
-
Health & MedicineMolecule may protect against kidney damage
People with a gene for the protein called apoE-IV are less likely to have the dangerous complication of kidney failure after a heart-bypass operation than are people who make other versions of the protein.
-
Health & MedicineEdible vaccine spawns antibodies to virus
Genetically engineered potatoes can deliver an edible vaccine against Norwalk virus, a common diarrhea-causing pathogen.
-
Health & MedicineEnzyme needed to degrade acetaldehyde
A shortage of the enzyme ALDH-2, which is needed to break down alcohol in the body, causes a buildup of the cancer-linked chemical acetaldehyde, perhaps explaining why alcoholics lacking ALDH-2 have high rates of mouth and throat cancers.
-
Health & MedicineGene mutation for color blindness found
Scientists have identified the gene that is mutated in people who have color blindness on the Pacific island of Pingelap, perhaps paving the way for genetic screening.