Table of Content
The unhealthy lifestyle contribute to the development of cancer?
tumor growth and cancer risk. Therefore, a balanced diet is one of the main factors that act proactively tumors. However, mixed results from epidemiological studies to prevent no clear and consistent information on the interaction between diet and cancer. Most epidemiological studies will be needed in future to clarify this issue.
What are the chemical agents that cause cancer?
Some of the important chemical factors causing cancer are:
Smoking: It is unfortunate that by 2025 will have died 100,000,000 people cause smoking, and a large part of them will be young people. It is estimated that smokers around the world is 1.1 billion people and 3.5 million of them die per year (10,000 a day) because of smoking. In Greece 3 10 Greek children tried cigarettes for the first time at age 13.
Water: Water may contain carcinogenic substances as:
Heavy metals (lead, cadmium). They come from gasoline, paints, plastics etc. batteries
Nitric from fertilizers and rocks).
Plasticizers (polychlorinated biphenyls PCBs). Drawn from the rinsing of plastic bags, the friction of the wheels of cars, plastic toys etc.
Pesticides. Derived from crops close to water reservoirs.
Chlorophenols. They come from the remains of wood, leaf, urine, feces. Phenols which ends in reservoirs is harmless but with the chlorination form stable compounds phenols which are toxic and carcinogenic.
chlorination derivatives (chloroform, carbon tetrachloride, etc.). Upon chlorination particularly summer various carcinogenic compounds generated and that due to the way the chlorination of water.
Bottled water in plastic bottles manufactured a cheap carcinogenic substance.
Chemical agents in food:
Nitrites and nitrates added to various fish, meats, cold cuts can be reacted with nitrogen compounds of food to form nitrosamines, which are carcinogenic. Horticultural products may have large amounts of nitrates when grown in greenhouses and fertilized with nitrate fertilizers.
The dyes are synthetic colors. Azo dyes may cause toxic aromatic amines, which are carcinogenic. Currently used vegetable colors mostly.
Vegetable materials such as pepper or celery in large doses is a carcinogen. Flavourings such as safratini have been implicated in cancers in mice. Sweeteners such as saccharin, cyclamates are the mutagens action. Antioxidants added to food to inhibit antioxidant actions implicated in carcinogenesis. carcinogens in food encrusted identified, smoked as benzopyrene and other cyclic aromatic hydrocarbons. Refers otiOto saliva neutralizes the carcinogenic effect of benzopyrene.
Industrial products such as asbestos arsenic nickel chromium compounds, and iron, but can cause the pleura (mesothelioma) lung cancer, bladder and others. Asbestos is found in various household appliances as insulating (radiator, projector) in tubes irrigation drains, roofs of houses, schools (asbestos), fireplaces pipes, fireplaces, flower boxes, garden containers or cupboards patio etc. Asbestos is also found in the streets and playgrounds from environmental contamination due to friction brakes (pads) motor having Asbestos. Other industrial products have been implicated as carcinogenic mentioned lead compounds, zinc, copper, arsenic, mercury, cyclic hydrocarbons, benzene, aniline colors, carbon black, tar, dioxins, the lidanio, plastic (PCB) and many other substances that pollute the air and then the rains pollute the seas, rivers, groundwater, crops etc. A 20% of lead in the bones that accumulates the man in the body comes from the potatoes, when the body lacks calcium and vitamin D then the assimilation is greater.
The gene prognostic screening test can promptly detect the genetic tendency for cancer?
The gene prognostic test control can detect the genetic tendency for cancer early, ie. Long before display In some cases such a check may even prevent cancer event. Talk special molecular biology for the screening of colorectal cancer and colorectal, breast cancer and cervical cancer.
How important is heredity in carcinogenesis?
Hereditary cancers is less than one in ten, according to US scientists. Analyzing the genetic material of thousands of samples from cancerous tumors, the researchers found that only 9% of breast cancers carrying mutations that could be passed from mother to child.
The same occurs in only 8% of prostate cancers, 8% of squamous cell lung carcinoma cases, 7% of lung adenocarcinomas, 11% of stomach cancers and 19% of ovarian cancers.
In kidney cancer, inheritance appears that there is only 5% of cases, while 8% is heredity gliomas (en cancers of the brain) and head and neck cancers, 7% in endometrial cancers, and 4% glioblastomas and acute myeloid leukemia. These include the reputed genes in breast cancer, the BRCA1 and BRCA2, which play a role in other cancers. In these forms including ovarian cancers, stomach and prostate.
Preventive vaccination for the human wart virus (HPV) can protect us?
The effective implementation of prevention programs by combining cytological control with the Pap test and the HPV vaccination could lead to the prevention of nearly all cases of cervical cancer worldwide. However, the only way for the successful implementation of these programs is the acceptance and use by the public, and this will happen only when the public understand and convinced of the important benefits. In Greece, two marketed vaccines against HPV virus, which aim towards two most frequent oncogenic types of HPV (HPV-16 & HPV-18), which are responsible for the majority of cancer cases cervical list. These vaccines are Cervarix, which contains both frequent oncogenic types HPV-16 and HPV-18, and which offers additional protection against the three next most frequent HPV oncogenic HPV types (HPV-31, 33 and 45), and Gardasil which contains oncogenic types HPV-16 and HPV-18, and the types of HPV-6 and HPV-11, which are associated with genital warts and not with cervical cancer.
Is there a way the risk of cancer be completely eliminated?
No. No woman can not escape from danger. The existence of favorable factors do not preclude the occurrence of the disease.
- The hair dye, the tight bras, silicone implants can cause breast cancer?
Studies implicate our daily life factors, such as hair dyes, tight bras, silicone inserts, however none of them has proved strong and undeniable danger. They studies not widely accepted. Of course, research is still ongoing, but so far the instructions is that women should not worry about them.
How important is the effect of diet on carcinogenesis?
Diet accounts for 30-35% of the risk factors that contribute to cancer development. Certain foods and eating habits have been associated with the risk of various cancers. However, epidemiological data available are not consistent for many foods and associations with cancer risk remain unclear. Concerns about this issue is considered as a “hot topic” for oncologists and general population.