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 & Medicine Health & MedicineNew HPV shot fends off more types of the virusA new vaccine that covers more strains of the human papillomavirus protects better against cervical and other cancers. 
- 			 Health & Medicine Health & MedicineU.S. measles tally for 2015 now at 121 casesThe 2014–2015 measles outbreak in the United States has now reached people in 17 states and the District of Columbia. 
- 			 Health & Medicine Health & MedicineGlowing amino acid lights up growing brain cancerBy adding a tracer compound that sticks to the amino acid glutamine, researchers may be able to discern and monitor cancerous tissues in the brain. 
- 			 Health & Medicine Health & MedicineBouncing back from giving blood can take monthsTaking iron supplements after donating blood can dramatically reduce the time it takes to recover iron levels in the blood, a study finds. 
- 			 Health & Medicine Health & MedicineHandheld device turns smartphone into diagnostic toolA compact device can process a blood sample to diagnose HIV or syphilis when attached to a smartphone. 
- 			 Health & Medicine Health & MedicineImmune system ‘reset’ may give MS patients a new lease on lifeWith the help of their own stem cells, MS patients can stop the disease in its tracks in many cases. 
- 			 Health & Medicine Health & MedicineAsthma may add to sleep apnea riskA long-term sleep study strengthens the link between the two breathing disorders asthma and sleep apnea. 
- 			 Health & Medicine Health & MedicineNew antibiotic candidate shows promiseTests in lab dishes and mice suggest an experimental compound called teixobactin can kill staph, TB microbes and other bacteria. 
- 			 Health & Medicine Health & MedicineWeight-loss surgery linked to better survivalObese middle-aged and older people fare better if they have had bariatric surgery, a long-term study of veterans finds. 
- 			 Psychology Psychology‘Survival of the Nicest’ demonstrates altruism all aroundSelfishness is not the rule in human society, new book argues. 
- 			 Health & Medicine Health & MedicinePriming the elderly for flu shotsA drug that shuts down a potent signaling molecule in cells might boost protection elicited with flu vaccination, a study finds. 
- 			 Health & Medicine Health & MedicineOld product might help smokers quitA drug used in Eastern Europe for decades by people trying to quit smoking outperformed a nicotine patch in a six-month test.