Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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Health & MedicineDrug resistance has gone global, WHO says
World Health Organization reports that antibiotics are failing worldwide against infections.
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Health & MedicineWith help from pig tissue, people regrow muscle
Noncellular material implanted in patients attracts stem cells to fix injuries.
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Health & MedicineEnzyme may help aspirin protect against colon cancer
Aspirin may not reduce colon cancer risk in people with low levels of a protective enzyme called 15-PGDH.
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Health & MedicinePossible measles drug tests well in animals
Compound that saves ferrets from viral infection might someday lead to measles treatment.
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Health & MedicineWhooping cough bounces back
A 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.
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Health & MedicineStatins may improve erectile function
Although 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.
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Health & MedicineCeliac disease linked to heart problems
Inflammation may explain the link between celiac disease, a digestive disorder, and coronary artery disease.
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Health & MedicineDaylight saving time linked to heart attacks
Hospital admissions for heart attacks increases after daylight savings time starts, a study suggests.
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TechMindless: Why Smarter Machines are Making Dumber Humans
Simon 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.
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Health & MedicineEarly treatment may stave off esophageal cancer
Zapping precancerous tissue in patients with Barrett’s esophagus might reduce incidence of cancer.
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Health & MedicineE-cigarettes don’t help smokers quit, study finds
People who tried e-cigarettes no more likely to give up smoking a year later.
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LifeVitamin A deficit in the womb hurts immune development
Mice deprived of vitamin A in utero grow up with undersized immune organs.