How Does Cancer Start?

Cancer can occur in many areas of the body andevery cigarette you smoke, you are giving up 15
behaves differently depending on its type andminutes of your life!
origin. Cancer consists of more than 100 different- Environmental exposure: Air pollution caused by
diseases, all characterized by the uncontrolledindustrial plant emissions and automobile exhaust
growth and spread of abnormal cells. Cancer is afumes have been linked to cancer formation.
major health problem in North America, striking anSecondhand smoke is the strongest link to
estimated 1.4 million people a year and rising. Itair-pollution cancers. Exposure to radioactive
strikes men, women and children in every countryemissions from radon in uranium is known to be
of the world and it is the second leading cause ofresponsible for the increased risk of lung cancer.
death in the United States.Recently, concern has been focused on radon
Every organ in the human body, the lungs, breast,exposure in homes due to airtight insulation; radon
colon, and brain, consists of specialized cells thatcan enter the home from the soil, the water, or
execute particular functions, such as transport offrom building materials.
oxygen, digestion of foods and nutrients,- Water pollution: Drinking water contains complex
excretion of body wastes, reproduction, etc. Inmixtures of known and suspected carcinogens
order for each organ to function as it should,including asbestos, metals, radioactive substances,
exhausted or injured cells must be replaced orand industrial chemicals. Even the process of
repaired. Normal and healthy cells have a code oftreating water may in turn create small quantities
conduct which dictates when they divide, grow,of chemicals linked to cancer.
maintain, or execute a particular function. In- Alcohol consumption: Excessive and regular
healthy adult organs, an equal number of cells areconsumption of alcoholic beverages increases the
produced in the body each day to replace dead orrisk of cancer, particularly of the mouth, pharynx,
damaged cells.larynx, and esophagus. An increased incidence of
In contrast, cancerous cells disregard this code ofliver cancer has been documented among people
conduct, causing an imbalance between thewith cirrhosis caused by excessive alcohol
number of new cells produced and the number ofconsumption and alcoholism.
old cells that die and should be shed. This- Diet: Deep-fried, processed foods, high sodium,
imbalance eventually leads to an overgrowth ofhigh fat, high sugar is the norm among most
cells that can cause damage in the body.Americans diet today. It is clear that what we
Cancerous cells don't necessarily grow faster thaneat, or don't eat, have profound effects on the
normal cells, but they live longer and can dividechances of developing cancer. An estimate that
more often during their lifetime than normaldeath rates from all cancers in this country could
noncancerous cells. As a result, cancer cellsbe reduced by more than 33% with practical
accumulate and compete for nutrients, space, andchanges in our dietary habits. Eating at least 8-10
territory with normal healthy cells.servings of fruits and vegetables per day is the
Cancers that seem to run in families may behighly recommended.
hereditary or may signify similar family- Sun exposure: Skin cancer is on the rise
environmental exposure to substances that causebecause of our love of the sun and a well-tanned
cell damage. The lifestyle we lead also has a lot tobody. Use sunscreen to help prevent skin cancers
do with cancer development.caused by either the direct rays of the sun or the
Cancer risk factors:results of tanning salons.
- Smoking: According to the American CancerChange bad habits and live healthfully. Quit
Society, one out of every three cancer deaths insmoking. Eat foods that help build your body's
the U.S. is directly linked to tobacco. Other thandefenses against cancer. Take vitamin and mineral
lung cancer, smoking is also a major factor insupplements. And most importantly, see your
causing cancers of the mouth, pharynx, larynx,physician for regular testing and health screenings.
esophagus, pancreas, and bladder. It is said that