Nathan Seppa
Biomedical Writer (retired September 2015)
 
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All Stories by Nathan Seppa
- 			 Health & Medicine Health & MedicineSmoking laws limit heart attacksA county that banned smoking in bars, restaurants and other workplaces saw a one-third decrease, a new study finds. 
- 			 Health & Medicine Health & MedicineAspirin has selective benefit in colorectal cancerPatients with a common gene mutation survive longer, which might enable doctors to predict who would get results from the drug. 
- 			 Health & Medicine Health & MedicineBody & BrainBlood pressure decreases with apnea treatment, vitamins fail to protect against colorectal cancer, and more news from this week’s medical journals. 
- 			 Health & Medicine Health & MedicineTomato compound might prevent some strokesMen with high blood concentrations of lycopene are less vulnerable, a study finds. 
- 			 Health & Medicine Health & MedicineCommon heart treatment fails to helpPeople prescribed beta blockers are no more likely to avoid a heart attack or stroke than those not getting them. 
- 			 Health & Medicine Health & MedicineOral MS drug passes testsA drug called BG-12, similar to a psoriasis medicine used in Germany, supresses multiple sclerosis relapses well, two studies find. 
- 			 Health & Medicine Health & MedicineFirst dengue vaccine trial disappointsThe shots protect against three of the four viral subtypes, failing to deliver full protection, a study in Thailand shows. 
- 			 Health & Medicine Health & MedicineAnti-inflammatories tied to cardiac riskHeart attack survivors who take ibuprofen or diclofenac appear more likely to die or suffer another attack, a large Danish study finds. 
- 			 Health & Medicine Health & MedicineMRI spots silent heart attacksScanning elderly population finds many people with telltale cardiac damage that was not diagnosed. 
- 			 Health & Medicine Health & MedicineLow-cal longevity questionedLimited food intake in rhesus monkeys fails to extend the animals’ survival, in a departure from earlier reports. 
- 			 Life LifeKick in the gut may lead to IBDShort-term infection could create conditions for long-term intestinal illness, a study suggests. 
- 			 Health & Medicine Health & MedicineTattoo rashes linked to inkTainted supplies caused outbreak of stubborn bacterial skin infections.