Page 234 - Inventions - A Visual Encyclopedia (DK - Smithsonian)
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Medical marvels




               Tylenol,
             a brand of                       Major advances and breakthroughs in medical science
        acetaminophen,
                  1983                        have been made in the past few centuries. These have
                                              vastly increased the number of drugs and types of
                                              medical equipment available to us. While some offer

                                              life-saving treatments, others target minor aches and
      IN GOOD HEALTH                          pains. Indeed, medicine has become specialized in a


                                              way that would have seemed unthinkable to doctors
                                              a few hundred years ago.




          Painkillers                         The miracle drug

          ■ ■ What?  Acetaminophen            ■ ■ What?  Aspirin
          ■ ■ Who?  Harmon Northrop Morse     ■ ■ Who?  Felix Hoffman
          ■ ■ Where and when?  US, 1877       ■ ■ Where and when?  Germany, 1897
          Sometimes it can take a while for a    Aspirin is used for treating such a wide
          drug to catch on. In 1877, an American   range of ailments, including headaches,
          chemist developed the now popular drug   heart attacks, blood clots, and strokes,
          acetaminophen, which is usually used as    that it is sometimes known as the “miracle
          a mild painkiller and flu medication.    drug.” It is a synthetic form of a natural
          But unfounded doubts about its safety   substance called salicylic acid, which is
          meant that it wasn’t released to the    found in willow bark and has been used
          public until 1950.                  to treat illnesses for centuries.




                                                                                                         Carton of
                                                                                                    soluble aspirin
                                                                                                     powder, 1900




                                                                                   Breathing easy


                                                                                   ■ ■ What?  Iron lung
                                                                                   ■ ■ Who?  Philip Drinker and
                                                                                     Dr. Louis Agassiz Shaw
                                                                                   ■ ■ Where and when?  US, 1927
                                                                                   Patients whose breathing muscles were
                                                                                   paralyzed by an accident or disease
                                                                                   could be helped to breathe again with
                                                                                   the invention of the iron lung. It was a
                                                                                   cumbersome machine—the patient had to
                                                                                   be almost entirely enclosed within it—but
                                                                                   it saved lives. It has since been replaced
                                                                                   by smaller respirators and air ventilators.
          An iron lung helps a patient to breathe, 1940
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