Health & Medicine
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		Health & MedicineBiohazard: Smoking before or after pregnancy may harm daughters’ fertility
Smoking before pregnancy or during breastfeeding might impair the female offspring's fertility, a study in mice shows.
By Nathan Seppa - 			
			
		Health & MedicineWrong Way: HIV vaccine hinders immunity in mice
An HIV vaccine hurts, not helps, the immune systems of mice, say scientists.
By Brian Vastag - 			
			
		Health & Medicine9/11 reflux
Up to 20 percent of 9/11 workers in New York City experience symptoms of gastroesophageal reflux disease, also called acid reflux.
By Brian Vastag - 			
			
		Health & MedicineBone Builder: Drug may offer steroid users new protection against fractures
A bone-growth medication called teriparatide outperforms the standard bone-preserving drug alendronate in people with steroid-induced osteoporosis.
By Nathan Seppa - 			
			
		Health & MedicineSuperbug: What makes one bacterium so deadly
A molecule that pierces immune cells gives some aggressive antibiotic-resistant staph bacteria their fearsome virulence.
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		Health & MedicineCanadians Advocate Boosting Vitamin D in Pregnancy
Higher vitamin D intake is recommended for pregnant women and nursing moms in Canada than for those in the United States.
By Janet Raloff - 			
			
		Health & MedicineToo little sleep may fatten kids
Lack of sleep may promote childhood obesity.
By Janet Raloff - 			
			
		Health & MedicineNongene DNA boosts AIDS risk
People with a newly discovered genetic variation are more vulnerable to HIV infection.
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		Health & MedicineSalmonella seeks sweets
A sugarlike substance in the roots of lettuce may attract food-poisoning bacteria.
By Janet Raloff - 			
			
		Health & MedicineEarache microbe shows resistance
A strain of bacterium that causes middle ear infection is resistant to all antibiotics currently approved for the ailment.
By Nathan Seppa - 			
			
		Health & MedicineMother Knows All
Fragments of a fetus' genetic material that leak into a pregnant woman's bloodstream reveal details of early fetal development.
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		Health & MedicinePlugging Leaks: Manipulating receptors may impede sepsis
Manipulation of signaling proteins on blood vessels may help combat sepsis, an often fatal condition.
By Nathan Seppa