The World Health Organization (WHO) provide general information about cancer all over the world are as given below
- Cancer is the second leading cause of death worldwide and accounted for 9.6 million deaths in the year 2018.
- Tobacco is one of the main risk factors for cancer which is responsible for over 20 percent of global cancer deaths.
- There is about 70 percent of deaths due to cancer occur in low and middle-income countries.
- Each year lung, liver, stomach, breast, and colon cancer may cause the most cancer deaths.
- The deaths due to cancer are estimated to be 13 million in the year 2030.
Cancer – It is the uncontrolled growth of abnormal cells anywhere in a body and can occur in any organ and at any age. In this dangerous disease, the damaged cells grow, divide, and spread abnormally. If it is not treated on time, it can become fatal. Cancer works in different stages. In stage zero, there is no harm, as cancerous cells do not perform any activity. In the stags first, second, and third, their speed of infecting other organs increases and this can lead to death. Symptoms of the disease sometimes can be diagnosed due to the formation of tumors.
But there are many situations in which symptoms are shown at a later stage. Cancerous basically occurs when there are changes in genetic code, which makes certain types of cells cancerous. The growth of these cells in other parts of the body damages other organs and this can lead to various types of problems.
Millions of people in the world die of cancer if it is not treated timely. The treatment of the disease becomes costly and it depends on the stage in which the disease has reached.
Types of cancer – There are several types of cancers such as bladder, kidney, prostate, blood, leukemia, breast, colorectal, melanoma, thyroid, and many more cancers. The most common cancer in men are lung, prostate, and colorectal, women are breast, colorectal, and lung and in children are brain tumors, and lymphoma.
Cancers are of different types and often names are given to them according to the organ on which it has occurred. Some of these are lung cancer, blood cancer, liver cancer, and many more. Blood cancer is also known as leukaemia. The most common type of cancer that occurs in people is breast cancer. People who smoke cigarettes get lung cancer while people who chew tobacco get mouth cancer. Some of the cancers are treated to the root while others may remain in the body even after treatment and after some time, they may show their effect again. Cancers can also be genetic and a child may carry such genes from the parents.
Development of Cancer – Doctors classify cancer into broad categories. These include the location where the cancer is being developed and the tissues in which it is being formed. Sarcomas occur in soft tissues and may also occur in bones. Carcinomas are those typed of cancers that are formed in cells. Adenocarcinomas are formed in breasts. Metastasis is a condition when cancer spreads from the source to other parts of the body. There are also conditions when a person has more than one type of cancer. Cancer can occur at any stage. There are many children who suffer from the disease and proper care and treatment can help them to get rid of the situation.
Causes of Cancer – There are some of the causes of cancer which are as given below –
- Take heavy alcohol
- Poor diet
- Air pollution
- Physical inactivity
- Family history
- Most cases of cancer above 65 years old person
Symptoms of Cancer – There are some of the symptoms of cancer are given below –
- Lump in the body
- Difficulty in swallowing
- Abnormal bleeding
- Weight loss
- Bowel movement changes
- Persistent cough
- Problem in breathing
- Mysterious fever
- Skin changes
Treatment of Cancer – Doctors prescribe some treatments which are based on the type of cancer and stage at the time of diagnosis are as given below –
- Radiation therapy
- Stem cell transplant
- Targeted therapy
- Hormone therapy
Preventions – There are some of the ways to reduce the risk of cancer which are as given below –
- Avoid smoking
- Take healthy diet
- Maintain a healthy weight
- Daily physical exercise
- Do not take a large amount of alcohol
- Avoiding too much sunlight exposure