Nathan Seppa
Biomedical Writer (retired September 2015)
 
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All Stories by Nathan Seppa
- 			 Health & Medicine Health & MedicineGetting the picture of how someone diedCT scans can often reveal a clear cause of death, possibly making some autopsies unnecessary, British researchers find. 
- 			 Health & Medicine Health & MedicineBusting blood clots with a nanoparticleAn experimental technology that delivers medication directly to a dangerous blockage might augment heart attack treatment, a new study finds. 
- 			 Health & Medicine Health & MedicineHighlights from the American Heart Association Scientific SessionsVitamin D and heart disease, the effectiveness of external defibrillators, a shot to lower cholesterol, and more from the Orlando, Fla., meeting. 
- 			 Health & Medicine Health & MedicineChildhood sex abuse tied to heart riskWomen victimized as children or in adolescence have increased cardiac disease in adulthood, a study shows. 
- 			 Health & Medicine Health & MedicinePrompt liver transplant boosts survival in heavy drinkersSome patients with severe organ inflammation from alcohol use can benefit from the operation. 
- 			 Health & Medicine Health & MedicineHPV vaccine recommended for boysA federal panel expands the reach of shots as a separate new study shows the immunizations prevent precancerous anal lesions. 
- 			 Health & Medicine Health & MedicineMeasles cases up in U.S. and CanadaBoth countries report 2011 to be the worst year since the mid-1990s. 
- 			 Health & Medicine Health & MedicineMalaria vaccine yields protectionIn its first large-scale test, the experimental immunization cuts risk of disease in about half of the children getting it and limits severe infections, researchers report. 
- 			 Life LifeStopping a real-life ‘Contagion’An antibody treatment fends off the lethal Hendra virus in monkeys and may also work against the equally dangerous Nipah virus. 
- 			 Health & Medicine Health & MedicineVaccine makes headway against trachomaAn experimental immunization might someday aid public health efforts to counter a blinding disease. 
- 			 Life Life2011 medicine Nobel goes to immunology researchersThe prize in physiology or medicine recognizes scientists for their work on the body's innate and adaptive defenses against invading pathogens. 
- 			 Health & Medicine Health & MedicinePreterm infants show mortality risks as children, adultsDeath rates are higher in preemies than full-term babies when these people reach early adulthood, a large study finds.