الأحد، 20 مايو 2012

ScienceDaily: Top News

ScienceDaily: Top News

Oxytocin improves brain function in children with autism

Posted: 19 May 2012 06:32 PM PDT

Preliminary results from an ongoing, large-scale study shows that oxytocin -- a naturally occurring substance produced in the brain and throughout the body -- increased brain function in regions that are known to process social information in children and adolescents with autism spectrum disorders (ASD).

Pollution teams with thunderclouds to warm atmosphere

Posted: 19 May 2012 05:28 PM PDT

New simulation study shows that atmosphere warms when pollution intensifies storms. How much the warming effect of these clouds offsets the cooling that other clouds provide is not yet clear.

Coffee drinkers have lower risk of death, study suggests

Posted: 19 May 2012 04:14 AM PDT

Older adults who drank coffee -- caffeinated or decaffeinated -- had a lower risk of death overall than others who did not drink coffee, according a new study.

Weight in pregnancy best controlled by diet, study suggests

Posted: 18 May 2012 10:28 AM PDT

Pregnant women, including those who are obese or overweight, should be encouraged to minimize weight gain through diet, according to major new research.

Multipotent stromal stem cells from normally discarded human placental tissue demonstrate high therapeutic potential

Posted: 18 May 2012 10:22 AM PDT

Placental stem cells with important therapeutic properties can be harvested in large quantities from the fetal side of human term placentas (called the chorion). The chorion is a part of the afterbirth and is normally discarded after delivery, but it contains stem cells of fetal origin that appear to be pluripotent -- i.e., they can differentiate into different types of human cells, such as lung, liver, or brain cells. Since these functional placental stem cells can be isolated from either fresh or frozen term human placentas, this implies that if each individual's placenta is stored at birth instead of thrown away, these cells can be harvested in the future if therapeutic need arises. This potential represents a major breakthrough in the stem cell field.

With fat: What's good or bad for the heart, may be the same for the brain

Posted: 18 May 2012 05:13 AM PDT

According to new research, one "bad" fat -- saturated fat -- was found to be associated with worse overall cognitive function and memory in women over time. By contrast, a "good" fat -- mono-unsaturated fat was associated with better overall cognitive function and memory.
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