Cancer is caused by the uncontrolled cell growth in our body. It starts developing when the control mechanism of our body stops. These mass of cells cause tumours in our body. However, tumours are not found in cancers like leukaemia. These groups of ailments known as cancer also causes the harmful cells to grow in other parts of your body and in this way make your body kill itself. Although, benign tumours doesn’t spread, but malignant tumours do spread and that is why they are termed as cancerous. They have the potential to kill various cells of the body and thus kill the person gradually.
There are mainly 100 types of cancers that are known to exist and harm human beings. Even animal suffers from various kinds of cancers. More than 90.5 million men were diagnosed with cancer in 2015. Millions of deaths occur due to cancer every year. The most common types of cancer in human beings are- breast cancer, lung cancer, cervical cancer, colorectal cancer, prostate cancer, brain tumours etc. As technology is increasing every day and lifestyles are changing every day so cancer is growing as well all over the world.
Causes of cancer
According to the world best cancer doctor the main causes of cancer are as following:
- Radiation is the main cause of cancer and researchers says that it is not possible to cut off this source because you cannot cut off radiation from this source because you cannot cut of Wi-Fi and other kinds of radiation from your life. Even mobile phones give out radiation that is very harmful for our life. Even ultraviolet rays that comes from sunlight causes cancer as well. Also rays like beta, gamma or alpha can cause cancers of various kinds.
- Certain cancers are caused because of genetic reasons or when you are already born with certain gene mutations. It is irreversible and research is still going on in order to prevent cancer in these patients. Many cancers are caused due to genetic reasons. It is one of the most dangerous causes of cancer that can kill anyone.
- Race is another factor and that is why African Americans are mostly affected due to cancer. Black men and women also get affected the most.
- Canned foods are also very bad for human beings because they contain artificial preservatives and certain chemical compounds that are very harmful for our body. They increase the risk of getting cancer very much. So, it is better to avoid them as much as possible.
- Tobacco and any other kind of addictive substances is one of the major ingredients that cause cancer. They are very harmful for us and they kill nearly lakhs every year. Best onco surgeon in India suggests that even passive smoking is bad for health. It must be avoided at all cost.
- Overweight problems, obesity, physical inactivity etc. are various reasons that is one of the leading causes of cancer. Modern lifestyle changes also cause the rise of these problems and that is why so many cancer patients are on rise on the world nowadays. Also, the risk of getting cancer increases as one gets older.