From Latin cancer “a crab,” later, “malignant tumor,” from Greek karkinos, which, like the Modern English word, has three meanings: a crab, a tumor, and the zodiac constellation represented by a crab.

Cancer has become one of the main diseases that afflict the population worldwide, representing approximately 10 million deaths each year.

What is cancer?

Cancer is an uncontrolled growth and spread of cells. It can affect almost any part of the body. Growths often invade surrounding tissue and can metastasize to distant sites. Many types of cancer can be prevented by avoiding exposure to common risk factors, such as tobacco smoke. In addition, a significant proportion of cancers can be cured, by surgery, radiotherapy or chemotherapy, especially if they are detected in time.

How to prevent it:

Between 30 and 50% of all cancer cases can be prevented. Prevention is the most profitable long-term strategy for cancer control. ULSA TECH, in treating this disease, has an obligation to raise awareness and increase awareness of how to reduce exposure to cancer risk factors, as well as support people receive the information they need to adopt healthy lifestyles.


Tobacco use is the largest avoidable risk factor for cancer mortality and kills approximately 6 million people each year. Tobacco smoke has more than 7,000 chemicals, of which at least 250 are known to be harmful and more than 50 cause cancer.


Smoking tobacco causes various types of cancer. It has been proven that second-hand or environmental tobacco smoke causes lung cancer in non-smoking adults. Almost 80% of the billion smokers in the world live in low and middle income countries.

Physical inactivity, diet, obesity and overweight.

There is a relationship between overweight and obesity with many types of cancer. Diets rich in fruits and vegetables can have an independent protective effect against many types of cancer. Regular physical activity and the maintenance of a healthy body weight, together with a healthy diet, significantly reduce the risk of this condition. These eating habits also reduce the risk of other non-communicable diseases.

Alcohol Consumption

Alcohol consumption is a risk factor for many types of cancer. The risk of cancer increases with the amount of alcohol consumed. For various types of cancer, excessive alcohol consumption combined with tobacco use substantially increases cancer risks. In 2010, it was estimated that cancers attributable to alcohol were responsible for 337,400 deaths worldwide, predominantly among men.

Occupational carcinogens

More than 40 agents, mixtures and exposure circumstances in the workplace are carcinogenic to humans and are classified as occupational carcinogens. Occupational carcinogens are causally related to lung cancer, mesothelioma and bladder cancer. For example, mesothelioma (cancer of the outer lining of the lung or thoracic cavity) is largely due to work-related asbestos exposure.


Environmental pollution

The contamination of air, water and soil with carcinogenic chemicals contributes to the increase of cancer in different degrees, according to geographical configuration. It has been estimated that outdoor air pollution contributed to 3.2 million premature deaths worldwide in 2012. In addition, more than 4 million people die prematurely from diseases attributable to air pollution in the home from cooking with solid fuels. Exposure to carcinogens also occurs through contamination of foods, such as aflatoxins or dioxins..


In 2012, approximately 15% of all cancers were attributable to infectious agents such as helicobacter pylori, human papillomavirus (HPV), hepatitis B and C and Epstein-Barr virus. The fraction of cancers attributable to infections varied between countries and their development status: less than 5% in Australia, Canada, New Zealand, the United States and some countries in Western and Northern Europe, up to more than 50% in some countries in Africa. Vaccines for hepatitis B and some types of HPV can reduce the risk of liver and cervical cancer, respectively.


Exposure to all types of ionizing radiation, both from natural and artificial sources, increases the risk of several types of malignant tumors, including leukemia and several solid tumors. Ultraviolet (UV) radiation and in particular solar radiation is carcinogenic to humans. Avoid excessive exposure, the use of sunscreen and protective clothing are effective preventive measures

Radiation used in medicine can help save lives, however, improper use can cause damage due to unnecessary and involuntary doses. Radiological tests and procedures should be prescribed and performed properly to reduce unnecessary radiation doses, especially in children.

Residential exposure can also arise from radon, a naturally radioactive gas present in the soil and building materials increase the risk of lung cancer. Radon levels in homes can be reduced by improving ventilation and sealing floors and walls.

For more information on cancer and how to prevent it, we suggest visiting


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