What is Cancer? Cancer Symptoms



Cancer types and frequency

Cancers are classified according to their organ, region and microscopic structure. Although there are nearly 100 types of cancer, some types are more common. Common types of cancer:

Lung cancer
Breast cancer
Brain tumors
Oral cancer
Bowel (colon) cancer
Esophageal cancer
Skin cancer
Uterus and cervical cancers
Ovarian cancer
Prostate cancer
Testicular cancer
Gastric cancer
Kidney cancer
Liver cancer
Pancreatic cancer
Bladder cancer
Throat cancer

It is known that approximately 14 million people in the world get cancer every year and 8.2 million people die due to these diseases. According to the statistics of the Ministry of Health in our country, 174 thousand people, 103 thousand of whom are men and 71 thousand of them are getting cancer every year.

What are the causes of cancer?

Researchers believe that cancer occurs as a result of the interaction of many factors. It can be replaced by congenital, that is, unmodifiable factors, and environmental factors are thought to play a role in the development of cancer.

Among the factors that cannot be changed are; age, gender, genetic risk factors, and family history. Changeable factors; lifestyle – lack of physical activity, smoking and alcohol consumption, irregular nutrition, stress environmental factors are stated as environmental pollution and radiation.

Although the frequency of cancer worldwide varies by region, the most common cancer types are breast cancer, lung cancer and colon (bowel) cancer. Each year, 13 million, Turkey is seen in the private 150 thousand new cancer cases each year. According to the World Health Organization data, it is estimated that the number of cancer cases worldwide will increase by 30 percent and reach 17 billion in 2020.

In order to minimize the risk of cancer, it is very important to be aware of the factors that play a role in cancer formation, to take the necessary precautions and to conduct tests for early diagnosis at certain periods.


What Are Cancer Symptoms

Knowing the symptoms of cancer is important for early diagnosis of the disease, but having one or more of these symptoms does not mean that the person has cancer.

Unexplained weight loss: Many cancers; especially stomach, pancreas, esophagus (esophagus) cancer and lung cancer; its first symptom is unexplained weight loss.

Biological Risk Factors: Biological Risk Factors; physical characteristics such as age, gender and race. Whether physical and biological properties will be a risk factor for cancer depends on the type of cancer. The biological and physical properties that may pose a risk for certain types of cancers can be:

Gender: Some types of cancer are sex-related. For example, since the prostate gland is only in men, prostate cancer occurs in men. Breast cancer can be seen in both women and men, but women are at higher risk of developing breast cancer.

Age: Many types of cancer occur in the elderly. People over the age of 50 have a higher risk of developing cancer.

Race: Certain types of cancers are common in some races. For example, prostate cancer is more common in American blacks.

Skin: Skin cancer is more common in blondes.

Environmental Risk Factors: The environmental conditions in which you live or work can be a risk factor for cancer development. Some substances in the home or workplace increase the risk of cancer. Asbestos, radon, air pollution, UV radiation, smoking exposure are among the environmental risk factors.

Some dietary foods increase the risk of developing cancer, while others can be protective.

Genetic Risk Factors: Genetic Risk Factors are related to genes that are inherited from the family.

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