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A biological topic of great interest is to understand the mechanisms of aging. The nervous system is known to clearly affect aging, especially the hypothalamus, but the mechanism by which it occurs is presently unknown. Cells that had been genetically engineered to survive in the...

The issue has sometimes been raised as to whether children born using donor sperm through assisted reproduction could have health problems throughout their lives. A recent study of the Australian poulation, published in Reproductive Biomedicine, included 224 children aged between...