Nathan Seppa
Biomedical Writer (retired September 2015)
 
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All Stories by Nathan Seppa
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- 			 Science & Society Science & SocietyA parting shot of coffeeScience News biomedical writer Nathan Seppa gives some final thoughts on coffee, saunas and skepticism as he retires from the magazine after 18 years. 
- 			 Health & Medicine Health & MedicineCoffee reveals itself as an unlikely elixirCoffee is earning a reputation as a health tonic, reducing risk for a long list of ailments and even lowering death rates. 
- 			 Health & Medicine Health & MedicineEarlier is better for HIV treatmentPeople infected with HIV benefit from starting a drug regimen early, an international study finds. 
- 			 Life LifeExperimental MERS vaccine shows promiseAn experimental vaccine against the MERS virus triggers immune protection, a new study finds. 
- 			 Life LifeSource of liver’s ability to regenerate foundScientists have identified stem cells behind the liver’s legendary ability to replenish its tissue. 
- 			 Health & Medicine Health & MedicineSpicy food linked to longevitySpicy food in the diet seems to contribute to longevity, a study of thousands of people in a Chinese registry finds. 
- 			 Health & Medicine Health & MedicineSpicy food associated with longevitySpicy food in the diet seems to contribute to longevity, a study of thousands of people in a Chinese registry finds. 
- 			 Health & Medicine Health & MedicineEbola vaccine protects people in West AfricaIn Guinea trial, zero cases of Ebola occurred in people potentially exposed who received immediate shots of a new experimental vaccine. 
- 			 Health & Medicine Health & MedicineBystanders deliver on CPRPeople suffering from cardiac arrest are more likely to survive without brain damage if a bystander performs CPR, new studies suggest. 
- 			 Health & Medicine Health & MedicineNew cancer drugs wake up sleeping killer T cellsThe immune system’s T cells, often evaded by tumors, might now resume the attack. 
- 			 Health & Medicine Health & MedicineAn antidepressant may protect against EbolaZoloft and a heart drug keep most mice alive after exposure to Ebola.