HEALTH AND WELLNESS

           Dolly the sheep was the first mammal cloned from an adult cell. Scientists implanted the nucleus of a cell from the mammary gland of an adult sheep into an enucleated egg cell.              According to a report prepared by the National Institutes of Health in the United States, stem cells may hold the key to replacing cells lost in many devastating diseases. These include, Parkinson’s disease, end-stage kidney disease, liver failure, and cancer, to name just a few. Stem cells can also give rise to blood, and they may even make blood banks obsolete, it is claimed. In fact, doctors have been using stem cells for many years to treat certain blood disorders. These treatments have usually involved transplantation of bone marrow, which is rich in blood-forming stem cells, but now doctors prefers to harvest stem cells taken from circulating blood. Because stem-cell therapies hold promise of regenerating healthy new tissues, they come under the general designation “regene