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...flip side of previous work by Cohen and others linking stress, Type-A behavior and negative emotions to lowered immunity, heart disease and shorter lifespan.) Cohen's research shows that people with a "positive emotional style" have better immunity to cold and influenza viruses when exposed in the lab. His most recent work, presented at the conference, suggests that this is mainly due to the release of optimal levels of cytokines, proteins that regulate the immune response...
...achievement, described in the journal Stem Cells and Development, comes just 11 years after the first human-embryonic-stem-cell line was created - an eyeblink in scientific terms - in the lab of James Thomson at the University of Wisconsin. (See the top 10 scientific discoveries...
...clinics), and by studying the way those sperm develop, researchers may gain insight into the origins of infertility and potential new treatments. Theoretically, for example, if sperm could be created from the cells of a cancer patient who is rendered infertile by chemotherapy, they could be grown in a lab and still enable him to father children...
What sparked the idea for your book? It really began with the animal research that I was doing in my lab. The animals I worked with were doing a tremendously good job of finding their way and using landmarks. At some point, my students and I had the idea of trying to do some similar experiments with human beings. Compared to any animal that I've ever studied or read about, I would say that the average urban person kind of wanders around in a semi-lost state. In traditional way-finding cultures like the Inuit in the Arctic...
...been made aware that their embryos would be used for stem-cell research, or if they had given consent for their embryos to be studied only for a specific period of time. If those embryos had been used to generate stem cells, which can theoretically survive indefinitely in a lab dish, the donors may not have technically approved that research...