Cancer
is a disease characterizes by cell-growth which is out-of-control. When the
damaged cells are hugely divided to form masses of tissues called as tumors. It
grows and interacts with nervous, circulatory system, digestive system and
releases hormones where body functioning alters. If the tumor is at one spot
and if it is of limited growth, we considered it as benign. Benign tumors are not dangerous. And the other is malignant tumors, which is a life
threatening. It starts with one cell and interacts with the neighbor cell and
expands to whole body and destroys other healthy tissues. It is called
metastasized. This process is known as Metastasis. It is a serious condition
and to treat it is very difficult.
Symptoms
of cancer:
Symptoms of cancer vary and depend on where the
tumor is big and where the damaged cells have spread. Some cancer can be
indicated t the particular location as it is in the form of testicles. Skin
cancer can be known by changes in the mole or wart. White spots on tongue or
patches inside the mouth indicate oral cancer. Some cancer symptoms don’t have
physical appearance. Brain tumor will affect important cognitive functions.
Pancreas cancer interacts with liver functioning and changes eyes and skin in
yellow color which is called jaundice. This cancer will be very small. The
symptoms can be known when the tumor grows and the nerves cause pain. Colon
cancer cause constipation, diarrhea. Frequent or infrequent urination, changes
in bladder functioning causes bladder or prostate cancer. Lung or throat cancer
symptoms will have coughing or hoarseness, shortness of breath. Metasis
symptoms mainly depends on the area cancer has spread.
Types
of cancer:
Researchers found that these are more than 100
different types of cancers. Here are list of some cancer which are well known.
·
Blood
cancer: The red blood cells in the body results the white
blood cells are called defensive cells present in whole body and sometimes
cause cancer. Blood cancers are two types: Leukemia, Lymphoma. It mainly
affects to both children and teens.
·
Brain
cancer: It can be malignant cancer or benign cancer which
affect to adults as well as children also.
·
Breast
cancer: Mostly women suffer to this cancer; it is much less
affected for men.
·
Gastrointestinal/digestive
cancer: This tumor spreads from esophagus to anus.
·
Endocrine
cancer: Thyroid cancer is an example for endocrine cancer.
·
Respiratory
cancer: Cigarette smoking and exposure to asbestos are most
common cause that affects respiratory system which causes respiratory cancer.
·
Skin
cancer: These are two types’ non-melanoma & melanoma
skin cancers. Exposure to UV rays causes skin cancer.
·
Gynecologic
cancers: The organs of female reproductive system cause
gynecologic cancer.
Cancer is classified to five
groups:
·
Carcinomas,
which
cover internal and external body parts
e.g.: Lung, breast, colon cancer.
·
Sarcomas
are the cells which are located in bones, fat, connective tissue, muscle,
cartilage etc.
·
Lymphomas
begin
in lymph nodes and immune system tissues.
·
Leukemia’s
starts
in bone marrow and accumulate in bloodstream.
·
Adenomas
are
cancers affected in thyroid, adrenal glands and pituitary glands.
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