Nathan Seppa
Biomedical Writer (retired September 2015)
 
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All Stories by Nathan Seppa
- 			 Health & Medicine Health & MedicineHeartburn drugs linked to vitamin deficiencyPeople who take Nexium, Prilosec and other medicines more prone to low B12 levels. 
- 			 Health & Medicine Health & MedicineTriplet births decline as IVF practice evolvesThe number of U.S. pregnancies resulting in three or more babies has gone down since 1998. 
- 			 Health & Medicine Health & MedicineCell counts provide a read on ovarian cancerNew technology might discern which tumors are most dangerous and help guide treatment. 
- 			 Health & Medicine Health & MedicineSimple dietary supplements could help stave off AIDSMany people newly infected with HIV stayed healthy on regimen involving multivitamins and selenium. 
- 			 Health & Medicine Health & MedicineThalidomide treats Crohn’s diseaseStudy of children with the inflammatory bowel disorder raises possibility of new use for tainted drug. 
- 			 Health & Medicine Health & MedicineWhooping cough vaccine may still allow some level of infectionAnimal tests show pertussis shots stave off symptoms but allow spread of the bacteria. 
- 			 Health & Medicine Health & MedicineEating nuts may extend a person’s lifePeople who regularly ate peanuts or tree nuts were less likely to die during decades-long studies. 
- 			 Health & Medicine Health & MedicineChanges in malaria parasite may make Africans more susceptibleOminous signals are emerging simultaneously in population studies and under the microscope that Plasmodium vivax, a malaria parasite well known in Asia and Latin America, may have found a way to infect Africans. 
- 			 Health & Medicine Health & MedicineOld drug, new tricksMetformin, cheap and widely used for diabetes, takes a swipe at cancer. 
- 			 Health & Medicine Health & MedicinePrion mutation yields disease marked by diarrheaRare prion ailment starts in adulthood, attacking the gut before brain. 
- 			 Health & Medicine Health & MedicineMarrow transplant for child with leukemia cures allergyA bone marrow transplant rid one child of his blood cancer and also an immune reaction to peanuts. 
- 			 Life LifeNewborns’ weak immunity may allow helpful bacteria to gain a footholdThough infant immune systems raise risk of infection, they also allow good microbes into the body, study in mice shows.