Nathan Seppa
Biomedical Writer (retired September 2015)
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All Stories by Nathan Seppa
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		Health & MedicineRisk profile for diabetes
People who harbor excess amounts of the compound fetuin-A face a heightened risk of developing diabetes.
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		Health & MedicineCancer and college
Highly educated people have reaped the benefits of cancer prevention and treatment. Death rates in this group have fallen, but people with less education have missed out on these gains.
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		Health & MedicineSurviving HIV
Since the development in the mid-1990s of a state-of-the-art drug cocktail for HIV, patient survival has extended dramatically, a new study shows.
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		Health & MedicineVessel rescue
A blood pressure medication limits damage to the aorta in people with Marfan syndrome, possibly signaling a new therapy for the condition.
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		Health & MedicineHeel test
A simple, inexpensive ultrasound test of the heel might reveal whether a person is at risk of osteoporosis and should get more extensive tests.
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		Health & MedicineWishful thinking
Male athletes who think they are getting growth hormone claim to feel better and score higher in a jumping test while on a placebo.
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		Health & MedicineGirl athletes’ energy crisis
Lack of regular periods in teenage female athletes stems from a hormone imbalance arising from inadequate energy intake.
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		Health & MedicineKeep at it
Moderate exercise can extend survival for overweight and obese men who have diabetes.
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		Health & MedicineParasite payback
The protozoan parasite that causes leishmaniasis seems vulnerable to the anticancer drug tamoxifen, research in mice shows.
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		Health & MedicineSun up
Men with lower concentrations of vitamin D have higher risk of heart attack.
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		Health & MedicineBrain trauma
Cooling the body temperature of a child who has severe brain injury doesn’t seem to help recovery, but the jury is still out.