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Study shows benefits from certain treatments can last more than two years

Obesity can lead to complications for both mom and baby, experts say

Lower-cost options are usually just as safe and effective, experts say

Study looked at moms who had already diabetes in pregnancy

Teens less likely to buy cigarettes when promotions aren't visible, study shows

Teens less likely to buy cigarettes when promotions aren't visible, study shows

High levels in well water may trigger infections in the very young, study suggests

But more research is needed before this can used as a marker, expert says

Odds of another life-threatening event are much higher than normal, study says