Study Finds BPA in Most Canned Foods
Bisphenol A, or BPA, may lurk in most canned foods, according to new research that found BPA in 92 percent of products tested, HealthDay reports. Authors of the new report want the Food and Drug Administration to ban the use of BPA in food packaging, since prior research has linked the controversial chemical to reproductive problems and certain cancers, among other health effects. Earlier this year, the agency pledged to support research that would clarify BPA's impact on health, according to HealthDay. John Rost, chairman of the North American Metal Packaging Alliance, responded to the findings with a statement explaining that lining cans with BPA helps protect against food-borne illnesses and that no proven-safe alternatives exist. [Read more: BPA in Cans Poses Health Threat, Report Claims.]
7 Signs That Your Child May Have Exercise-Induced Asthma
When exercise leads to wheezing or coughing, people often blame the symptoms on being out of shape. But a new study shows that, in children at least, there may be more to the story. It's possible that children who experience problems following intense exercise may have undiagnosed, intermittent, exercised-induced asthma, says Clifford Bassett, chair of the public education committee at the American Academy of Allergy, Asthma, and Immunology, who was not involved in the new study but has reviewed the findings.
The research, presented Tuesday at the American Thoracic Society's International Conference in New Orleans, found that short periods of heavy exercise caused decreased lung function in some children with no history of asthma or allergies, U.S. News's January Payne reports. Nearly half of the 56 healthy children studied had at least one abnormal pulmonary function result following exercise. More research is needed to determine why this occurs and how it can be prevented, the authors wrote. [Read more: 7 Signs That Your Child May Have Exercise-Induced Asthma.]
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Don't Be a Sad Dad: How to Deal with Postpartum Depression in Men
New fathers get postpartum depression almost as often as new moms, and Dad's depression can have can have lasting effects on the new baby's health and development, according to a new study on postpartum depression in men in the Journal of the American Medical Association.
Men are particularly vulnerable to depression in the first three to six months after a baby is born, with about 25 percent of dads having symptoms, U.S. News contributor Nancy Shute reports. About 10 percent of new dads have symptoms of depression before or after the baby arrives, compared to about 30 percent of women, according to the study, which analyzed data from 43 studies on depression in fathers before and after a baby's birth.
The symptoms may be similar to postpartum depression in women, but the causes in men are less hormonal and more related to the big changes in family structure caused by a new baby, including lack of sleep, money worries, and lack of attention from a wife. Depressed dads, like depressed men in general, are more likely than women to display destructive behaviors, including increased use of alcohol or drugs, anger, and risk-taking. [Read more: Don't Be a Sad Dad: How to Deal with Postpartum Depression in Men.]
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