Wednesday, May 13, 2020

Throughout centuries, scientists have discovered new and...

Throughout centuries, scientists have discovered new and improved ways of curing certain types of diseases with medical treatments that continue to be discovered. When newly discovered, many treatments and cures are controversial. Immediately, society questions whether or not these medical practices are reliable, safe, and ethical procedures. Such as electroconvulsive therapy (ECT), also known as â€Å"electroshock†, a medical procedure where patients who may be victims of schizophrenia or depression are given electric shocks where the â€Å"currents are passed through the brain, intentionally triggering a brief seizure. ECT seems to cause changes in brain chemistry that can quickly reverse symptoms of certain mental illnesses† (Mayo Clinic Staff).†¦show more content†¦Once this stage is completed, the now specialized cells can regenerate and strengthen the area which was once weak. It started in 1908, where â€Å"the term stem cell was proposed for scientific use by the Russian histologist Alexander Maksimov at congress of hematologic society in Berlin. It postulated existence of haematopoietic stem cells† (â€Å"Stem Cell Key†). A hematopoietic stem cell is a cell removed from blood or bone marrow that can specialize into many different type of cells throughout the body. This specific cell can exit the bone marrow and enter the bloodstream with the ability of self-destructing if the cell becomes harmful to the body (also known as apoptosis). In 1913, Spanish anatomist Santiago Ramon y Cajal claimed â€Å"In the adult centers the nerve paths are something fixed, ended and immutable† (Erwin). This meant that new connections between synapses could not be made once existing synapses could not function anymore. However, in the 1960s, Joseph Altman and Gopal Das unravel findings leading to adult neuorgenesis, the process in which new neurons are created and placed around existing synapses to continue brain activity once o ld neurons are no longer useful. This in turn led to the idea that new connections could be made in the brain due to the birth of new neurons specializing to the region they are born in. In 1963, James Till and Ernest McCulloch, â€Å"theShow MoreRelatedRheumatoid Arthritis : A Popular Disease1883 Words   |  8 PagesThere are several causes of this disease and even still new causes are being discovered every day as scientists are seeking new routes of treatment. Rheumatoid Arthritis affects specific parts of the body such as the synovial membrane, particular types of cells, the skeletal system, and the cartilage located throughout the body. There are treatments that look to prevent Rheumatoid Arthritis in the early stages. 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