One approach that could help researchers get more complete answers about whether lifestyle factors such as exercise help improve immunity takes advantage of the sequencing of the human genome. This opportunity for research based on updated biomedical technology can be employed to give a more complete answer to this and similar questions about the immune system. For example, microarrays or "gene chips" based on the human genome allow scientists to look simultaneously at how thousands of gene sequences are turned on or off in response to specific physiological conditions — for example, blood cells from athletes before and after exercise. Researchers hope to use these tools to analyze patterns in order to better understand how the many pathways involved act at once.
“The wars of Israel […] are mitzvah wars, in which they differ from the rest of the wars the nations wage among themselves. Since, essentially, a war is not an individual matter, but rather nations wage war as a whole, there are cases in which the personality of the individual is “erased” for the benefit of the whole. And vice versa: sometimes you risk a large unit for the saving of an individual, when it is essential for purposes of morale. One of the important and critical values during war is maintaining the army’s fighting ability […]’
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