Nathan Seppa
Biomedical Writer (retired September 2015)
 
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All Stories by Nathan Seppa
- 			 Health & Medicine Health & MedicineDrug resistance has gone global, WHO saysWorld Health Organization reports that antibiotics are failing worldwide against infections. 
- 			 Health & Medicine Health & MedicineWith help from pig tissue, people regrow muscleNoncellular material implanted in patients attracts stem cells to fix injuries. 
- 			 Health & Medicine Health & MedicineEnzyme may help aspirin protect against colon cancerAspirin may not reduce colon cancer risk in people with low levels of a protective enzyme called 15-PGDH. 
- 			 Health & Medicine Health & MedicinePossible measles drug tests well in animalsCompound that saves ferrets from viral infection might someday lead to measles treatment. 
- 			 Health & Medicine Health & MedicineWhooping cough bounces backA new type of pertussis vaccine introduced in the late 1990s may have led to the return of a disease that was nearly eradicated 40 years ago. Public opposition to vaccination hasn’t helped matters. 
- 			 Health & Medicine Health & MedicineStatins may improve erectile functionAlthough doctors had been concerned that statins were associated with erectile dysfunction, an analysis of 14 studies finds that the drugs may actually help erectile function. 
- 			 Health & Medicine Health & MedicineCeliac disease linked to heart problemsInflammation may explain the link between celiac disease, a digestive disorder, and coronary artery disease. 
- 			 Health & Medicine Health & MedicineDaylight saving time linked to heart attacksHospital admissions for heart attacks increases after daylight savings time starts, a study suggests. 
- 			 Tech TechMindless: Why Smarter Machines are Making Dumber HumansSimon Head argues that computer business systems leave middle managers and workers with little creative latitude. They acquire fewer skills and their wages stagnate, hurting their job quality and buying power. 
- 			 Health & Medicine Health & MedicineEarly treatment may stave off esophageal cancerZapping precancerous tissue in patients with Barrett’s esophagus might reduce incidence of cancer. 
- 			 Health & Medicine Health & MedicineE-cigarettes don’t help smokers quit, study findsPeople who tried e-cigarettes no more likely to give up smoking a year later. 
- 			 Life LifeVitamin A deficit in the womb hurts immune developmentMice deprived of vitamin A in utero grow up with undersized immune organs.