Nathan Seppa
Biomedical Writer (retired September 2015)
 
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All Stories by Nathan Seppa
- 			 Health & Medicine Health & MedicineLong-acting contraceptives best by farImplants and IUDs outperform the pill, vaginal ring and patch as birth control options, a study finds. 
- 			 Health & Medicine Health & MedicineSevere sleep apnea tied to cancer riskA chronic lack of oxygen caused by disrupted rest may explain the association, researchers say. 
- 			 Health & Medicine Health & MedicineCoffee gives jolt to life spanUnlike wine's, coffee's benefits apparently keep increasing well beyond the first two servings. 
- 			 Health & Medicine Health & MedicineProcedure offers hope in type 1 diabetesA new approach restored adequate, lasting insulin production in seven of 12 mice tested. 
- 			 Health & Medicine Health & MedicineWeight loss reduces cancer risk factorIndicators of inflammation drop with diet and weight loss. 
- 			 Humans HumansScience denial in the 21st centuryMADISON, Wis. — The arc of science has faced roadblocks for centuries, but the pattern of denying the weight of evidence has taken on new virulence recently. Highly motivated people openly cast doubt on well-established evidence — the theory of evolution, the human effects on climate change, the value of vaccines and other findings that […] 
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- 			 Health & Medicine Health & MedicineNeighborhood linked to obesityChildren living in areas that lack walking-distance parks and supermarkets are more prone to put on weight, new studies find. 
- 			 Health & Medicine Health & MedicineAutism linked to obesity in pregnancyAssociation may spark research into a possible biological mechanism. 
- 			 Life LifeStem cell treatment spurs cartilage growthA small molecule called kartogenin prompts the manufacture of lost connective tissue in mice. 
- 			 Health & Medicine Health & MedicinePsoriasis drugs show promiseTwo new drugs attack psoriasis by inhibiting interleukin-17, a focal player in the troublesome skin disease. 
- 			 Health & Medicine Health & MedicineAbnormal cells may signal hidden heart riskDamage to blood vessel lining shows up in blood tests.