http://medicalxpress.com/ en-us Medical Xpress provides the latest news from Cornell University (Medical Xpress)—Preschoolers universally recognize that one's choices are not always free – that our decisions may be constrained by social obligations to be nice to others or follow rules set by parents or elders, even when wanting to do otherwise. http://medicalxpress.com/news/2013-05-american-nepalese-kids-world-social.html Psychology & Psychiatry Wed, 22 May 2013 08:10:06 EST news288427315 Little is known about the effect of physical education (PE) on child weight, but a new study from Cornell University finds that increasing the amount of time that elementary schoolchildren spent in gym class reduces the probability of obesity. http://medicalxpress.com/news/2013-05-gym-class-probability-obesity.html Health Mon, 20 May 2013 16:06:33 EST news288284785 (Medical Xpress)—Weight-bearing exercise, often prescribed to combat bone loss, might have anti-cancer effects. Cornell biomedical researchers report that mechanical stimulation of cancerous bone, in making bone stronger, seems to make tumors weaker. http://medicalxpress.com/news/2013-05-bone-tumor-growth.html Cancer Tue, 07 May 2013 08:20:02 EST news287132625 (Medical Xpress)—Want a good night's sleep? Be positive – consistently. Although happiness is generally good for sleeping, when a person's happiness varies a lot in reaction to daily ups and downs, sleep suffers, reports a Cornell study published online in the Annals of Behavioral Medicine. http://medicalxpress.com/news/2013-04-good-night-linked-happiness.html Health Mon, 29 Apr 2013 08:10:01 EST news286440734 (Medical Xpress)—Asian-Americans experience considerable everyday prejudice and discrimination, reports a Cornell study published in the Journal of Counseling Psychology (Vol. 60:2). The study is one of the first to document the prevalence and effects of racial microaggressions – subtle forms of racial bias and discrimination – in the lives of Asian-Americans. http://medicalxpress.com/news/2013-04-asian-americans-racial-microaggressions.html Psychology & Psychiatry Thu, 25 Apr 2013 08:20:01 EST news286095132 (Medical Xpress)—A previously unknown function of a family of enzymes familiar to biologists may contribute to scientists' understanding of signaling molecules involved in the body's immune response and could help in the treatment of such diseases as rheumatoid arthritis and cancer. http://medicalxpress.com/news/2013-04-immune-response-linked-key-enzyme.html Immunology Fri, 12 Apr 2013 07:10:01 EST news284968011 (Medical Xpress)—The phrase "practice makes perfect" has a neural basis in the brain. Researchers have discovered a set of common changes in the brain upon learning a new skill. They have essentially detected a neural marker for the reorganization the brain undergoes when a person practices and become proficient at a task. http://medicalxpress.com/news/2013-04-scientists-brains-skills.html Neuroscience Fri, 05 Apr 2013 06:50:08 EST news284363366 (Medical Xpress)—Young children are not like sponges just soaking up information. They can actively evaluate what people know and go to the "experts" for information they want, reports a Cornell study published in a special issue of Developmental Psychology (Vol. 49:3). http://medicalxpress.com/news/2013-03-preschoolers-good-bad-sources-info.html Psychology & Psychiatry Fri, 22 Mar 2013 09:46:08 EST news283164070 With a dizzying number of ties in our social networks – that your Aunt Alice is a neighbor of Muhammad who is married to Natasha who is your wife's boss – it's a wonder we remember any of it. How do we keep track of the complexity? We cheat, says a Cornell University sociologist in Scientific Reports (March 21). http://medicalxpress.com/news/2013-03-memory-patterns-recall-social-webs.html Psychology & Psychiatry Thu, 21 Mar 2013 11:43:28 EST news283085001 (Medical Xpress)—Stirring an inner Stuart Smalley, Facebook profiles reassure our self-worth, because they offer a place where we can display the personal characteristics and relationships we value most, says a Cornell communication expert in the Personality and Social Psychology Bulletin (March 2013). http://medicalxpress.com/news/2013-03-facebook-good-smart.html Psychology & Psychiatry Tue, 19 Mar 2013 09:08:29 EST news282902897 Green calorie labels may lead people to see nutrition-poor foods in a healthier light. http://medicalxpress.com/news/2013-03-green-food-nutrition-poor-healthy.html Health Tue, 12 Mar 2013 08:50:01 EST news282295789 From athletes to individuals suffering from osteoporosis, bone fractures are usually the result of tiny cracks accumulating over time—invisible rivulets of damage that, when coalesced, lead to that painful break. http://medicalxpress.com/news/2013-03-illuminating-fractures-x-ray-imaging-bone.html Medical research Thu, 07 Mar 2013 13:40:02 EST news281885161 Cornell University researchers have discovered a likely origin of epithelial ovarian cancer (ovarian carcinoma), the fifth leading cause of cancer death among women in the United States. http://medicalxpress.com/news/2013-03-aggressive-ovarian-cancer.html Cancer Wed, 06 Mar 2013 13:00:16 EST news281795982 It is possible to tell who a person is thinking about by analyzing images of his or her brain. Our mental models of people produce unique patterns of brain activation, which can be detected using advanced imaging techniques according to a study by Cornell University neuroscientist Nathan Spreng and his colleagues. http://medicalxpress.com/news/2013-03-mental-picture-fmri.html Neuroscience Tue, 05 Mar 2013 09:04:13 EST news281696642 Tending to older loved ones who have bold personalities may be harmful to their caregivers' physical health, report Cornell researchers. http://medicalxpress.com/news/2013-03-elders-poorer-health.html Health Fri, 01 Mar 2013 09:00:01 EST news281348803