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Science News Archive May 2016 - Page 18


Page 18 of 38

Mom's exposure to BPA during pregnancy may put her baby on course to obesity

A Columbia University study found a strong association between prenatal exposure to BPA and measures of body fat in children at age 7. The researchers, who analyzed data from over 369 mother-child pairs, also discovered that prenatal BPA exposure was positively associated with higher levels of adiposity in girls.

SourceColumbia University's Mailman School of Public Health·JournalEnvironmental Health Perspectives·DateMay 17, 2016

Many physicians make lack a firm understanding of the costs of medical tests & procedures

A recent study found that 92.2% of physicians believe doctors should control costs, but only 36.9% have a clear understanding of test and procedure costs. Primary care physicians reported greater awareness of the Choosing Wisely campaign, which aims to identify low-value services.

SourceThe Dartmouth Institute for Health Policy & Clinical Practice·JournalThe American Journal of Managed Care·DateMay 17, 2016

Methionine could be key to improving pregnancy rate in dairy cattle

A University of Illinois study found that supplementing Holstein cows' diets with methionine during prepartum and postpartum periods increased the number of lipid droplets in preimplantation embryos, allowing them to survive more stress. This may lead to lower embryonic death rates and improved pregnancy outcomes.

Farms have become a major air-pollution source

Farmers' use of nitrogen-rich fertilizers and animal waste contributes to the formation of tiny solid particles, or aerosols, causing heart disease and death. However, projections suggest that reduced industrial emissions could decrease aerosol production if fertilizer use doubles.

SourceColumbia Climate School·JournalGeophysical Research Letters·DateMay 16, 2016

Why is female sexuality more flexible than male sexuality?

A new evolutionary theory suggests women's sexual desires can change based on partner, reproductive status, and circumstances, reducing conflict in polygamous marriages. This theory may explain puzzles in human sex research, such as differences in female and male homosexuality.

SourceWiley·JournalBiological Reviews·DateMay 16, 2016

Biodiversity protects fish from climate change

A new study confirms that preserving marine biodiversity can benefit people as much as it benefits the oceans. Communities with more species are more productive and resilient to rising temperatures, while those with fewer species suffer significantly under fluctuating temperatures.

SourceSmithsonian·JournalProceedings of the National Academy of Sciences·DateMay 16, 2016

Frequent religious service attendance linked with decreased mortality risk among women

A study published in JAMA Internal Medicine found that women who attended religious services more than once per week had a significantly lower risk of both cardiovascular and cancer-related mortality. Frequent attendance was also associated with increased social support, reduced depression, and a more optimistic outlook on life.

SourceHarvard T.H. Chan School of Public Health·JournalJAMA Internal Medicine·DateMay 16, 2016