Mammograms spoting problems that don't exist
Computerized mammograms can spot deadly breast cancers, but according to a new study the machines are also finding problems that aren't there. When the computer software identifies a suspicious spot doctors order a biopsy. But researchers found many of those biopsies were negative. Overall, the machines did not perform better than a human looking at the scans.
It could be the largest private grant ever for improving public health: the Robert Wood Johnson Foundation is pledging $500-million to fight childhood obesity. Right now, the epidemic costs the nation's health care system $14-billion a year. The New Jersey-based foundation plans to back programs that emphasize exercise and better access to healthy food.
Vitamins may do a new newborn good. Researchers say pregnant women who take extra vitamin supplements can reduce the risk of having an underweight or undersized baby. The team is recommending all pregnant women in developing countries--where millions of low-birth weight babies are born each year--get multivitamins. Researchers say supplements do NOT lower the likelihood of premature birth or losing the fetus before birth.
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