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Every day we are traveling to a new era of
technological developments, one of which and at the same time the most exiting innovation
is nanotechnology. Despite other benefits that come with this new area of
science the most important is in terms of medical treatments. This essay will
state the advantages and disadvantages of medical nanotechnology nowadays.

Nanotechnology behaves very diverse regarding
medical treatments, because it has a wide range of advantages and uses. To
begin with, nanotechnology can be used to transport medicine or drugs into
different parts of human body in a less harmful way, through tiny instruments
called nanoparticles.. Some kinds of nanoparticles called the
“gold-nanoparticles” have resulted effective in the treatment of cancer because
of their ability to assimilate radiation. Once they enter inside the tumor
cells they assimilate the
energy and heat up until the cancer cell is killed. In addition,  important implementation of nanomedicine is in
terms of surgery. Extremely small surgical
instruments and even robots are used today to perform microsurgeries with high
preciseness, because they have nanocameras within which allows the doctor to
have a close up look of the whole process. Furthermore, the visual dream of a
world free of viruses has finally come to a real thing with nanorobots which
are used as artificial white cells. They “hit and kill” a dangerous
pathogen via a microscopic laser device mounted on it.

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On the other hand even though there
are so many benefits from this new field of technology people still seem to be
skeptical because of the potential risks it might have. When speaking of risks
every new invention has its other side of the coin. Firstly nano particles can
be plugged in our body through skin, breathing routes and digestion or injected
intentionally enough easier than most particles. If they can’t be broken down
and digested or degraded, there is a danger they will gather up and damage
organs. Secondly, we don’t know exactly how nanotechnology co-operates with
biological systems. They could learn to reproduce themselves and act in the
same way as viruses and bacteria. Thirdly, there is a risk of neuronal
translocation. This nanoparticles if intersect with the brain can cause translocation
of inhaled particulates to the brain. 


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