Cancer -
What is the disease? A series of questions are posed: What is Cancer? Who could
have cancer? Cancer treatment how to prolong life? Is there a way to prevent
it? Does modern medicine helpless before this cruel disease? The answer
following partial answer questions on What Is Cancer?
Cancer is
the name used to describe a group of patients reflects the difference reproduction
change, growth and cell function. Normal cells become abnormal (mutated) and
proliferate uncontrollably, invade nearby tissues or distant lymph system or
blood vessels.
The cancer
starts when a cell pass control mechanisms of the body, begin to develop and
proliferate continuously, forming a cell cluster development disorganized,
invasive and put pressure on agencies and organizations around. The cancer
cells have linked lax, easily picked off from the mother tumor, according to
the blood vessels and lymphatic vessels migrated to the new organizations and
agencies, sticking around and continuing proliferation (the process This is
called "metastasis"). When the cancer metastasis pinched or agencies
keep vital functions of the body like the brain, lungs, liver, kidneys, the patient
will die.
A cause to
cancer, the transformation from a normal cell into a single cancer cell is a
multi-stage process, from a pre-cancerous lesion to malignant tumors. These
changes are caused by the interaction between genetic factors and three categories
of an outside agent:
The radioactive substances, ultraviolet rays:
These compounds directly affect the skin and can cause skin
cancer, bone, blood and lungs
The chemicals cause cancer:
Secondhand smoke is a carcinogen contain so many smokers can get
lung cancer, larynx, mouth, pharynx, esophagus, the lower throat, bladder etc.
Alcohol can cause cancer of the esophagus, mouth and larynx.
Other Chemicals: amiawng can cause lung cancer, cloruapolivityl
can cause liver cancer, arsenic can cause lung cancer, liver cancer, skin
cancer, and tar coal can cause skin cancer, lung cancer, laryngeal cancer,
bladder cancer.
Diet and habitat:
Diet and environment also affect the occurrence of cancer, such as
eating more fat can cause breast cancer, eat less residue susceptible of colon
cancer, inhaled a lot of smoke, dust, waste of Lung cancer is now increasing.
Infections from certain viruses, bacteria or parasites cancer is
extremely dangerous and without exception.
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