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Do you see the glass as half-empty or half-full ? If it's the former, you might want to reconsider.  A new survey has found that those having a positive attitude could be evolutionarily advantageous, according to Cornell researchers who simulated generations of evolution in a computational model, newswise.com reports. The web quotes the researchers as saying that these findings offer scientific support to the ancient philosophical insights from China, Greece and India, which encourage cultivating long-term contentment or life satisfaction rather than grasping at the fleeting joy of instant gratification. Hmm. Guess they've met many millennials. “In an evolutionary sense, you have to evaluate your life on the basis of more than what happened just now,” says Shimon Edelman, professor of psychology and a co-author of the study.  It took having cancer, for me, to learn to live in the moment.  I was very lucky. My cancer was not invasive and here I am, 12 yea...

Think about this.  A three-week-old needs flexible tube through a tiny artery in her leg that winds its way to her heart to try to treat narrowed veins and arteries, the result of a congenital condition. So what do they use for this? An adult-sized catheter.  Sound insane?  That's right.  Medical devices for children are not being developed because -- are you ready? There's no money in this. The development of surgical tools and medical devices designed for children falls far behind device development for adults, The New York Times' Laurie Tarkan reports. "The lag, say experts, can be blamed largely on economics. The pediatric market is far smaller than the market for adults, making it difficult for companies to recoup research and development expenses for smaller devices," she writes. This child was subjected to a procedure that took longer, and was more likely to "injure her already abnormal blood vessels," her cardiologist cardiologist, Dr. Alex...