what are the main causes of cancer?

Answer 1

Viruses eg hepatitis B causes liver cancer, in a % of chronic carriers.

Chemical carcinogens eg components of tobacco smoke are carcinogenic.

Ionising radiation causes mutations that can lead to cancers, leukaemias and lymphomas.

Ultraviolet exposure increases the risk of skin cancers.

Answer 2

There are more than 100 types of cancers; any part of the body can be affected.
In 2005, 7.6 million people died of cancer - 13% of the 58 million deaths worldwide.
More than 70% of all cancer deaths occur in low and middle income countries.
Worldwide, the 5 most common types of cancer that kill men are (in order of frequency): lung, stomach, liver, colorectal and oesophagus
Worldwide, the 5 most common types of cancer that kill women are (in the order of frequency): breast, lung, stomach, colorectal and cervical
Tobacco use is the single largest preventable cause of cancer in the world.
One fifth of all cancers worldwide are caused by a chronic infection, for example human papillomavirus (HPV) causes cervical cancer and hepatitis B virus (HBV) causes liver cancer.
A third of cancers could be cured if detected early and treated adequately.
All patients in need of pain relief could be helped if current knowledge about pain control and palliative care were applied.
40% of cancer could be prevented, mainly by not using tobacco, having a healthy diet, being physically active and preventing infections that may cause cancer.

Answer 3

THE MAIN CAUSES FOR CANCER ARE:

1) Insufficient good quality fats, both saturated and unsaturated.

2) Insufficient good quality protein.

3) Excessive amounts of transfats from refined oils, hydrogenated fats and overcooking of foods.

4) Excessive amounts of poor quality protein from overcooking and processing of foods.

5) Lack of digestive enzymes from pancreas failure caused by a lifetime of eating poor quality foods.

6) Poisons in the food, air or water. Pesticides, PCBs, plastics, hydrocarbons, trihalomethanes, etc.

7) Excessive ingestion of drugs both recreational and pharmaceutical. This includes sugar, caffeine, nicotene and alcohol.

8) Nutritional deficiencies of vitamins and minerals, especially B6, C, proanthocyanidins, magnesium, potassium, selenium, etc.

9) Hormone imbalance, low thyroid, adrenal insufficiency, high estrogen, and estrogenic factors from environmental poisons.

10) Pathogens weakening the immune system function - parasites, yeast, bacteria, viruses.

Poor living habits - lack of sleep, exercise, lack of sunshine, meaningful work and activity

Answer 4

My daughter, the med student, says it is dirt.

She says regular bathing and general habits of cleanliness seem to help avoid most cancers.

Answer 5

Anyone can develope it, but certain lifestyles and environment can contribute.

Answer 6

genetics, environment, and personal habits

Answer 7

ur room mate

Answer 8

What "unsober" said...