Cancer is a disease that occurs when the cells of the body multiply in an uncontrolled manner creating a lump called a tumour. Tumours can be either benign or malignant.Cancer is the name given to a malignant tumour. Doctors can tell if a tumour is benign or malignant by examining a small sample of cells under a microscope. This is called a biopsy.
According to WHO, cancer is the second largest non-communicable disease, which accounts for 8.8 millions deaths every year, this is because of lack of awareness among people and they take health as a last priority.To mitigate this disease burden, we need to bring awareness in the community and detect the cases at an early stage, so tha t we could cure it completely with less expenditure in comparison of advanced cases, where the cost of treatment is very high and the chance of survival is less. Cancer is growing at an alarming rate; we emphasise upon awareness,screening and early detection of this noxcious disease.
The cancer rates are set to increase at an alarming rate globally. We can make a difference by taking action today. Globally, cancer accounts for one in eight of all death – more than AIDS, tuberculosis and malaria combines.
Cancer rates could further increase by 50% to 15 million new cases in the year 2020, according to the World Cancer Report, the most comprehensive global examination of the disease to date. In the year 2000, malignant tumors were responsible for 12 per cent of the nearly 56 million deaths worldwide from all causes. In many countries, more than a quarter of deaths are attributable to cancer. In 2000, 5.3 million men and 4.7 million women developed a malignant tumor and altogether 6.2 million died from the disease. The report also reveals that cancer has emerged as a major public health problem in developing countries, matching its effect in industrialized nations.
Each year, over 12 million people receive a cancer diagnosis and 7.6 million die of the disease. But the good news is that experts estimate that 40% of cancers can be prevented if Detected Early.
What Is Cancer | क्या है कैंसर | Health Tips | Hindi
This video looks at what is cancer. Cancer is a collection of similar diseases, there are several different types of cancer but the one thing they have in common is the uncontrolled division of the body's cells, and then spreading into surrounding tissues and to spread further in the body. Cancer will affect about 50% of people during their life time.
Cancer can occur when the DNA of Cells get damaged, the DNA controls how cells divide, this includes the number of times they divide and when they undergo apoptosis, cancer can start in most places in the body which is why there are so many different forms of cancer. When cancer develops the abnormal cells continue to divide and to grow, even if there is no space for them to do so, cancer cells are effectivly immortal as long as there is a source of nutrition they are able to continuously grow. the is how cancer cells form tumours.
There are two types of tumours, if the tumour is restricted in one area in a membrane this is benign and this is not cancer, however if it spreads then it is a malignant tumour and this is cancer.
there are certain things that can increase your risk of cancer, these are smoking, obesity, UV damage, certain infections, radiation and many more.
all of us will have mutations in our cells, but normally the body can deal with them before it gets out of hand, however certain things can increase the number of mutations that could lead to cancer, things like smoking, obesity, UV damage, certain infections, radiations and many more. The genetic changes that lead to cancer affect 3 main types of genes these are Proto- Oncogenes, Tumour suppressor genes and DNA, repair genes.
Proto-oncogenes are involved with normal cell growth and division, so if these are damaged, this can lead to cells being able to grow abnormally
Tumour suppressor genes work to slow down cells division and tell cells to undergo apoptosis,
DNA repair genes work to fix damaged DNA, so if they are affected cells can accumulate mutations which could lead to cancer
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