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THE MOST DANGEROUS ILLNESSES

Every century has brought new illnesses and unknown infections. Whenever the cure is found
for one disease, another one appears. For example, several centuries ago the smallpox was a deadly
disease. Nowadays, there are enough medical supplies to fight against this disease.
However, there aren’t enough resources to fight AIDS. It is one of the most dangerous
illnesses of the 20th century. AIDS is shortened from Acquired Immune Deficiency Syndrome. It
originated in Africa and became a global epidemic. The virus that leads to AIDS is called HIV –
Human Immunodeficiency Virus. Although the treatment for this virus exists, it only slows the
progress. Unfortunately, there is no cure.
The human body is capable of many amazing things, but there are still many diseases which
can weaken its force. Cancer is among those diseases. It is a class of diseases characterized by out-
of-control cell growth. Some forms of cancer can be cured by modern medicine but some are deadly.
Every year thousands of people die from lung cancer, which can be the result of smoking. That’s
why doctors always advice not to smoke cigarettes.
Surprisingly, flu can be very dangerous for human body. It is caused by certain viruses and
usually starts with fever, sore throat, muscle pains, severe headache, weakness, sometimes
coughing. There are lots of modern methods and drugs to fight influenza but in more serious cases it
causes pneumonia, which is often fatal.
Another dangerous illness is malaria. It is an infectious disease caused by parasites. It is
widespread in tropical and subtropical regions.
There are many other unpleasant and dangerous diseases, however diagnosed on early stages
most of them can be cured.