Encyclopedia Britannica Illustrated Science Library 2009 – Human Body II

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Encyclopedia Britannica Illustrated
Science Library 2009 – Human Body II
Edition 2009
pages 56

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Encyclopedia Britannica Illustrated
Science Library 2009 – Human Body II

?How can we understand what we are
This is a moving book. A guide for parents as well as young people, it
recounts in detail the almost magical way in which babies evolve from the very
moment that fertilization occurs. Thanks to new technological advances, today it is
possible to visualize and re-create images of what happens inside a woman’s body when
a sperm travels through the uterus and the gelatinous membrane that surrounds the
egg. Incredible photos show, day by day, how the embryo evolves, when the heart begins
to beat, and even when the brain, eyes, legs, arms, mouth, and teeth are formed. This
book contains a wealth of information, with photographic details that show you the
.inside of the body from a totally new viewpoint
The book is divided into five chapters. The first two are dedicated to the
formation and development of the baby, and the rest deal with everything that
happens to the body when it gets sick from how the HIV/AIDS virus affects us to
what happens when arteries become blocked because of fat deposits. The
information, reviewed by professionals and accompanied by incredible illustrations, will
captivate you from the first page. The last chapter is devoted to tracing the landscape
of future medicine. The surprising advances in molecular biology and genetics allow us to
have new therapeutic and diagnostic tools that make it possible to think that, in the
future, humans will live eternally. The themes covered and shown here have a
scientific basis. We tell you, for example, which mechanisms regulate the operation of
the genes and how these mechanisms can correct certain errors in the DNA—the
starting point for many illnesses of genetic origin, including many forms of cancer. In a
not too distant future, nano machines (many times smaller than a cell) could be guided
inside the body to eliminate obstructions in blood vessels or to kill cancer cells. With
particles the size of amino acids, sick cells could be eliminated without damaging the
healthy ones. Like guided missiles, the molecules would go directly to the damaged
,cells. This type of therapy has already been demonstrated in mice and rats, and
although the tests are still in development, it is expected that within the next few years
this type of revolutionary treatment, which combines genetics with pharmacology, could
be applied. Currently there are patients on whom certain drugs have toxic effects or do
not have the desired effect; in the future, drugs could be made according to the
.genetic makeup of each patient