By Karen Gunnison Ballen
In all ages, technology and know-how have complex human civilization. From structure to engineering, drugs to transportation, people have invented amazing wonders.
Over the centuries, new medicinal drugs and scientific instruments have cured and burnt up illnesses. scientific know-how has stored lives and has superior wellbeing and fitness for hundreds of thousands of individuals, expanding lifestyles expectancy for american citizens from forty nine years in 1900 to seventy seven years in 2000.
In the twenty-first century, scientists proceed constructing new scientific instruments and methods to regard melanoma and different lethal diseases.
In this publication, good discover seven wonders of medicine.
These wonders comprise microscopes, which enable medical professionals see the germs that reason affliction. different wonders are antibiotics, lifesaving medications made of mildew. good find out how medical professionals may be able to take a still-beating center from one individual and position it into another.
And good know about nanomedicine, together with tiny «robot medical professionals» that may at some point trip contained in the physique. From the elemental to the innovative, good research the place drugs has been and the place its headed.
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These traits include some inheritable diseases. Inheritable diseases result from a mistake in the DNA that makes up a gene. The mistake makes the gene faulty. Faulty genes give cells the wrong instructions to follow. Sometimes these wrong instructions cause diseases. ” —Jeremy Cherfas, science writer, 2002 One of these diseases is Huntington’s disease. Huntington’s disease affects the human nervous system—the network consisting of the brain, spinal cord, and nerves. The gene that causes the disease is dominant.
But strangers can donate organs too. Left: A volunteer bone marrow donor gives a blood sample. Technicians will check the blood to see if it is a good match for the transplant recipient. Right: People can fill out organ donation cards so that family members and emergency workers will know they want to be donors. 45 Donation Even when the donor and recipient are a good match, the recipient’s body will try to reject the donated organ. So doctors give recipients drugs that weaken their immune systems.
A surgeon holds a liver that he will transplant into a patient. Doctors began doing liver transplants in the 1960s. 43 The First Sometimes people are born with organs that do not work well. Other times, serious illnesses damage healthy organs. And some people do not take good care of their bodies, which hurts their organs. People die when their major organs stop working. In modern times, doctors can replace many damaged organs with healthy organs from other people. The person who receives the organ is the recipient.